Who Should Grow Blue Dream Autoflower Seeds?
Blue Dream autoflower seeds are the right choice for a grower whose limiting factor is time, height or season rather than ambition for the biggest possible harvest.
The cultivar keeps the forgiving nature that makes photoperiod Blue Dream a classic first grow — tolerance of nutrient swings, good mold resistance, a recognizable berry aroma — and adds the one thing photoperiod plants cannot offer: a fixed, short calendar that does not depend on day length.
That fixed calendar changes who the plant is for. A balcony grower in Berlin can start seeds in May and harvest in July before the neighbors return from holiday. A gardener at 55° north, where a photoperiod Blue Dream would still be flowering under October frost, can run one crop in early summer and a second in late summer. An indoor grower with a 1.5 m tent and no appetite for training gets a plant that finishes at waist height without ever being topped. And a grower who simply wants flower in ten weeks rather than four months gets exactly that.
Short growing season
Two full harvests between the last spring frost and the first autumn frost at latitudes where photoperiod Blue Dream finishes too late.
Limited height
Finishes at 0.6–1.2 m untrained; fits closets, cabinets and 1.2 m tents with no topping required.
Fast turnaround
Perpetual harvest under one 18/6 light cycle: a new seed every three weeks gives a plant finishing every three weeks.
Not the right plant if
The goal is the heaviest harvest per square meter or a mother plant for cloning. An autoflower cannot be kept in veg, cannot recover from early damage by growing longer, and yields roughly 60% of what a trained photoperiod Blue Dream produces in the same space. For that use case the photoperiod feminized line is compared below.
Three Autoflower Lines, One Blue Dream: Standard, XL and Express
Turbo Autoflower Seeds breeds Blue Dream in three autoflowering lines that differ in how the ruderalis parent was stabilized.
All three are feminized to a 99.9% female rate, all three are non-photoperiod, and all three carry the same Blueberry × Haze flavor. They differ in size, finish time and yield, and the right one depends on whether the grower is optimizing for the calendar, the harvest or the available space.
| Parameter | Standard Auto | XL Auto | Express Auto |
|---|---|---|---|
| Seed to harvest | 9–10 weeks | 11–12 weeks | 8 weeks |
| Light cycle | 18/6 or 20/4 throughout | 18/6 or 20/4 throughout | 18/6 or 20/4 throughout |
| Height | 0.6–1.2 m | 1.0–1.5 m | 0.5–0.9 m |
| Yield indoor | 350–450 g/m² (1.1–1.5 oz/ft²) | 450–550 g/m² (1.5–1.8 oz/ft²) | 250–350 g/m² (0.8–1.1 oz/ft²) |
| Yield per plant outdoor | 60–150 g | 120–250 g | 40–90 g |
| THC (breeder reported) | 17–21% | 18–22% | 16–19% |
| Sativa / indica expression | Balanced 60/40 | Haze-leaning 70/30 | Blueberry-leaning 55/45 |
| Best for | First autoflower grow, balconies, two outdoor runs | Maximum autoflower yield, 1.5 m+ tents, long summers | Shortest seasons, micro-grows, perpetual rotation |
| Price, 5 seeds | $79 | $85 | $79 |
Blue Dream Standard Auto
Choose the Standard Auto for the classic autoflowering Blue Dream experience: a balanced 60/40 expression that finishes in 9–10 weeks from seed at 0.6–1.2 m. This is the line Turbo Autoflower Seeds has run the longest, through eleven generations of selection since 2015, and it is the reference against which the XL and Express lines were developed. The plant shows pre-flowers at day 21–25, stretches moderately until day 40, then packs on dense, blue-tinged colas that smell of berry by week six.
Standard Auto suits a 15–20 L pot, a modest 250–400 W LED and a grower who wants to learn the autoflower rhythm without managing a large plant. Outdoors it is the line for two consecutive runs: sow in April for a late-June harvest, sow again in late June for a September harvest. Low-stress training from day 14 can spread the canopy and lift yield by 15–20%, but the plant also finishes well with no intervention at all.
Blue Dream Standard Auto — Turbo Autoflower Seeds
BestsellerAutoflowering · Feminized · 9–10 weeks seed to harvest
Read nextSee the 10-week calendar · Seed law in your region
Blue Dream XL Auto
Choose the XL Auto when the space allows a taller plant and the goal is the largest harvest an autoflower can give. The XL line was selected from Haze-leaning Standard Auto phenotypes with a longer vegetative window: it shows pre-flowers at day 28–32 rather than day 21, grows to 1.0–1.5 m, and finishes in 11–12 weeks. The extra two weeks of growth translate into 450–550 g/m² indoors and 120–250 g per plant outdoors, within reach of a small photoperiod plant.
XL Auto rewards a 25–30 L pot, 400–600 W of LED and a single round of low-stress training around day 18–21 while the stem is still pliable. It is the only autoflower line on which Turbo Autoflower Seeds tolerates a light topping, at node four before day 21, and only for growers who have run autoflowers before. Outdoors it needs a season of at least 13 frost-free weeks and is best started in a warm propagator in early May.
Blue Dream XL Auto — Turbo Autoflower Seeds
Autoflowering · Feminized · 11–12 weeks seed to harvest · Haze-leaning
Read nextAutoflower yield expectations · Check your local law
Blue Dream Express Auto
Choose the Express Auto when eight weeks is the hard limit. The Express line carries a stronger ruderalis influence and a Blueberry-leaning expression: pre-flowers at day 16–18, a compact 0.5–0.9 m frame, and a finished plant eight weeks after germination. Yield is the lowest of the three at 250–350 g/m², and reported THC sits at 16–19%, but the plant is the fastest route from seed to a jar of berry-scented flower that Turbo Autoflower Seeds has produced.
Express Auto is built for micro-grows in cabinets under 1 m, for guerrilla plots that must be in and out before the end of July, and for perpetual rotations where a new seed every two weeks keeps a small tent in continuous harvest. It is not a training candidate; any stress in the first two weeks costs more than it returns. Give it an 11–15 L pot, light feeding and an uninterrupted 20/4 light cycle.
Blue Dream Express Auto — Turbo Autoflower Seeds
Autoflowering · Feminized · 8 weeks seed to harvest · Blueberry-leaning
Read nextReading the harvest window · Legal status by region
Autoflower vs Photoperiod vs Fast Blue Dream: Where the Weeks Go
The clearest way to understand what an autoflower gives up and what it gains is to lay the three Blue Dream formats on the same calendar.
A photoperiod feminized plant spends four to six weeks in vegetative growth under 18 hours of light, then needs the grower to cut the day to 12 hours and waits another 8–10 weeks to finish. A fast version follows the same logic but blooms in 7–8 weeks. An autoflower ignores the light cycle entirely: it vegetates for about three weeks, flowers for six to seven, and is done.
| Parameter | Autoflower (this site) | Feminized photoperiod | Fast photoperiod |
|---|---|---|---|
| Trigger to flower | Internal clock, day 16–32 | Grower switches to 12/12 | Grower switches to 12/12 |
| Seed to harvest | 8–12 weeks by line | 12–20 weeks | 11–17 weeks |
| Control over size | None after day 21 | Full, via veg length | Full, via veg length |
| Height | 0.5–1.5 m | 1.2–1.8 m indoors, 3 m outdoors | 1.0–1.6 m indoors, 2.5 m outdoors |
| Yield indoor | 250–550 g/m² | 550–700 g/m² | 450–600 g/m² |
| Recovery from early stress | Poor | Good: extend veg | Good: extend veg |
| Cloning / mother plants | Not practical | Yes | Yes |
| Outdoor runs per season (50° N) | Two | One, often too late | One |
The practical rule: when the calendar is the constraint, autoflower; when the harvest is the constraint, photoperiod; when the grow is outdoors in a cool-autumn climate and the plant must still be full-size, fast. Turbo Autoflower Seeds does not stock photoperiod lines; the columns are included so the comparison is honest.
Back to contentsWhere the Ruderalis Comes From: Breeding an Autoflowering Blue Dream
Every autoflowering cannabis plant traces its day-neutral trait to Cannabis ruderalis, a short, hardy subspecies native to Central and Eastern Europe and Siberia.
Ruderalis evolved to flower by age rather than by shortening days because its growing season was too brief to wait. On its own it is small, low in cannabinoids and of little interest to growers. Crossed into a cultivar like Blue Dream, it contributes one trait — the autoflowering gene — and the breeder’s job is to remove everything else it brought along.
Turbo Autoflower Seeds’ lines began in 2015 with a Blue Dream mother from a Santa Cruz-lineage cut crossed to a stabilized ruderalis-dominant male. The F1 offspring autoflowered but were short, pale and faintly flavored. Four generations of back-crossing to the photoperiod Blue Dream parent, selecting at each step for plants that both autoflowered and carried the berry aroma, restored the size, the resin and the terpene profile. The Standard line was fixed at BX4; XL was selected from the tallest Haze-leaning BX4 individuals; Express from the earliest-flowering Blueberry-leaning ones. Feminization is by silver-thiosulfate reversal of a selected female, with each batch grown out and counted before release.
| Parent | Contributes | Visible in the grow |
|---|---|---|
| Blueberry (via Blue Dream) | Berry aroma, dense buds, cold-triggered blue pigment, mold resistance | Blue-purple leaf edges by week eight, chunky colas, berry smell from week six |
| Haze (via Blue Dream) | Vigor, moderate stretch, uplifting reported effect, citrus-pine notes | Stretch between days 21 and 40, long internodes on XL, resin smelling of lemon and cedar |
| Ruderalis | Day-neutral flowering, early maturity, compact frame, cold tolerance | Pre-flowers at day 16–32 regardless of light, finish in 8–12 weeks, short stature |
Growers sometimes ask why one breeder’s Blue Dream Auto finishes in eight weeks and another’s in twelve. The answer is the proportion of ruderalis left in the line and which Blue Dream phenotype the breeder selected toward; a heavier ruderalis fraction is faster and smaller, a lighter one is slower and larger. The three Turbo lines are the same answer offered at three points along that scale.
Back to contentsThe 10-Week Blue Dream Autoflower Grow Calendar
Before germinating
Cannabis cultivation is illegal in many jurisdictions. The information below is educational and intended only for regions where home growing is permitted; see the legal status section before germinating any seed.
An autoflower grow is a sprint: there is no pause button, so every week has a job and mistakes in the first two weeks cost the most.
The calendar below is for the Standard Auto under 18/6 LED in a 15–20 L pot; XL adds roughly two weeks to the flowering phase and Express removes one to two. Photographs in the customer grow logs further down were taken on this schedule.
| Day | Stage | Light | Temp / RH | Action |
|---|---|---|---|---|
| 0–3 | Germination | Dark, warm | 22–26 °C / 70–80% | Paper towel, then straight into the final pot — no transplant |
| 4–14 | Seedling | 18/6, low intensity | 23–26 °C / 65–70% | Water a small ring around the stem only; no nutrients; no stress |
| 15–21 | Vegetative | 18/6, full intensity | 24–27 °C / 60% | Begin ¼-strength veg feed; optional LST from day 14 on Standard and XL |
| 21–25 | Pre-flower | 18/6 | 24–27 °C / 55% | Pistils appear; stop any training; switch to bloom feed at ½ strength |
| 26–40 | Stretch and bud set | 18/6 | 23–26 °C / 50–55% | Plant reaches final height; full bloom feed; add silica for stem strength |
| 41–55 | Bud fill | 18/6 | 22–25 °C / 45–50% | Heaviest feeding; fan through the canopy; carbon filter on |
| 56–63 | Ripening | 18/6 | 20–23 °C / 40–45% | Flush with plain water; check trichomes every two days |
| 63–70 | Harvest | Optional 24 h dark | 18–21 °C / 55–60% dry room | Cut, hang 10–12 days, jar-cure three weeks |
Germinating Autoflower Seeds Without Losing a Day
The autoflower rule that matters most is to germinate directly into the final container. Every transplant costs an autoflower three to five days of recovery that a photoperiod plant could absorb in veg but an autoflower cannot. Turbo Autoflower Seeds recognizes two methods under its germination guarantee.
Paper towel, then final pot
Seeds between damp paper towels on a covered plate at 21–27 °C in the dark. Check every 12 hours. At a taproot of 5–10 mm, plant root-down 10 mm deep in the final 15–30 L pot of pre-moistened, lightly amended soil.
Direct sow into the final pot
Plant the dry seed 10 mm deep in the final pot, cover, mist, keep at 22–26 °C. Emergence in 3–6 days. Slightly slower, zero handling risk.
Do not use a starter cube or a small pot with the intention of transplanting later, do not soak seeds beyond 24 hours, and do not let the pot dry out in the first ten days. A seed that has not emerged after seven days under correct conditions is covered by the guarantee.
Light Schedule: 18/6, 20/4 or 24/0
Because an autoflower does not need darkness to flower, the grower chooses the schedule for cost, heat and plant health rather than for triggering bloom. Turbo Autoflower Seeds runs its test grows on 18/6 and recommends it as the default: six hours of dark give the plant and the grow room a daily cooling period, cut electricity by a quarter against 24/0, and show no measurable yield loss in the company’s side-by-side trials. The 20/4 schedule gains roughly 5% more yield on XL under strong LED and is worth it in a cool room. Continuous 24/0 light works but tends to raise leaf temperature and shows the smallest gain per watt.
Default; best yield per kWh
+5% on XL in cool rooms
Works; highest heat, least efficient
Finishes, but at 30–40% less yield
Outdoors the plant flowers under whatever daylight it receives, which is why a Blue Dream Auto started in June at 55° north — under 17 hours of daylight — grows larger than the same seed started in August under 13 hours. Earlier sowing after the last frost gives the biggest outdoor autoflower.
Small Pots, Balconies and Guerrilla Plots
Outdoors, an autoflowering Blue Dream behaves like a fast annual vegetable: plant it after frost, give it sun and water, and harvest two to three months later. The plant’s compact size is its advantage. A 15–20 L fabric pot on a south-facing balcony produces 60–150 g of dry flower from the Standard line; a 30 L pot in the ground gives XL room for 120–250 g. Because the plant never exceeds 1.5 m it is easier to screen from view than a 3 m photoperiod Blue Dream, and because it finishes before late-season rain it avoids the botrytis that threatens dense photoperiod colas in October.
| Climate / latitude | Recommended line | Sowing windows (N. hemisphere) | Harvests per season |
|---|---|---|---|
| Northern maritime, 50–60° N (short, cool) | Express or Standard | Mid-May and early July | Two |
| Continental, 45–50° N (warm summer) | Standard or XL | Late April and late June | Two |
| Mediterranean, 35–45° N (long, dry) | XL | April, June and August | Three |
| Subtropical / tropical (12-hour days) | XL for size; any line works | Any month outside the monsoon | Four or more |
Mold resistance inherited from the Blueberry side is good but not absolute; in a wet August the Standard and XL lines should be shaken dry after rain and the lower leaves thinned for airflow. Fan leaves on all three lines turn blue-purple in the last ten days if night temperatures fall below 15 °C, an early-harvest signal rather than a problem.
Reading an Autoflower’s Harvest Window
An autoflower’s breeder-stated finish time — nine to ten weeks for the Standard — is a median, not a deadline. Individual plants vary by a week in either direction, and a plant cut on the calendar rather than on its trichomes is the most common cause of a disappointing autoflower harvest. The signals are the same as on any cannabis plant: pistils turning from white to amber and curling inward across most of the cola, and trichomes, under a 30–60× loupe, shifting from clear to cloudy and then to amber.
Autoflowers ripen from the top cola downward; a grower short on time can take the main cola at cloudy and leave the lower branches another five to seven days under light to finish. Flushing with plain water for the final seven to ten days improves the smoothness of the finished flower noticeably on all three lines.
Realistic Autoflower Yields
Autoflower yield is a range narrower than a photoperiod’s but less forgiving of error, because the plant cannot be grown longer to compensate. In Turbo Autoflower Seeds’ trials, the Standard line averaged 410 g/m² across 24 plants under 400 W of LED in 18 L pots; the best single plant gave 118 g and the weakest 52 g, with the difference almost entirely explained by the first fourteen days. Light intensity is the second lever: moving from 250 W to 400 W over the same square meter raised average yield by 38%. Pot size is third; below 11 L the Standard and XL lines stall.
| Line · setup | 0.5 m² (5.4 ft²) | 1 m² (10.8 ft²) | 1.5 m² (16.1 ft²) | 2 m² (21.5 ft²) |
|---|---|---|---|---|
| Standard · first autoflower, under 300 W | 144–176 g (5.1–6.2 oz) | 288–352 g (10.2–12.4 oz) | 432–528 g (15.2–18.6 oz) | 576–704 g (20.3–24.8 oz) |
| Standard · experienced, 300–450 W | 184–226 g (6.5–8.0 oz) | 369–451 g (13.0–15.9 oz) | 554–676 g (19.5–23.8 oz) | 738–902 g (26.0–31.8 oz) |
| Standard · dialed-in, 450 W+ | 212–258 g (7.5–9.1 oz) | 423–517 g (14.9–18.2 oz) | 634–776 g (22.4–27.4 oz) | 846–1034 g (29.8–36.5 oz) |
| XL · first autoflower, under 300 W | 180–220 g (6.3–7.8 oz) | 360–440 g (12.7–15.5 oz) | 540–660 g (19.0–23.3 oz) | 720–880 g (25.4–31.0 oz) |
| XL · experienced, 300–450 W | 225–275 g (7.9–9.7 oz) | 450–550 g (15.9–19.4 oz) | 675–825 g (23.8–29.1 oz) | 900–1100 g (31.7–38.8 oz) |
| XL · dialed-in, 450 W+ | 252–308 g (8.9–10.9 oz) | 504–616 g (17.8–21.7 oz) | 756–924 g (26.7–32.6 oz) | 1008–1232 g (35.6–43.5 oz) |
| Express · first autoflower, under 300 W | 99–121 g (3.5–4.3 oz) | 198–242 g (7.0–8.5 oz) | 297–363 g (10.5–12.8 oz) | 396–484 g (14.0–17.1 oz) |
| Express · experienced, 300–450 W | 135–165 g (4.8–5.8 oz) | 270–330 g (9.5–11.6 oz) | 405–495 g (14.3–17.5 oz) | 540–660 g (19.0–23.3 oz) |
| Express · dialed-in, 450 W+ | 162–198 g (5.7–7.0 oz) | 324–396 g (11.4–14.0 oz) | 486–594 g (17.1–21.0 oz) | 648–792 g (22.9–27.9 oz) |
Estimates assume a lit canopy filling the stated area under 18/6 or 20/4; 1 oz = 28.35 g. A 1.2 × 1.2 m tent is 1.44 m², between the 1 m² and 1.5 m² columns.
Back to contentsBerry Terpenes on a Fast Clock: Aroma, Flavor and Reported Effects
A common assumption is that an autoflower trades away flavor for speed.
In Turbo Autoflower Seeds’ terpene testing, the Standard and XL lines retained the full Blue Dream profile — myrcene dominant, with alpha-pinene and beta-caryophyllene behind it — at total terpene concentrations within 10% of the photoperiod parent. The Express line, with its heavier ruderalis fraction, tests roughly 20% lower in total terpenes and leans further toward the Blueberry side. Fresh-cut flower smells of citrus and pine; after a three-week cure, the sweet berry and grape notes dominate.
Commonly reported effects
Uplifting, clear-headed onset with a gentle body ease; users describe the autoflower as slightly softer than photoperiod Blue Dream, consistent with its 17–21% reported THC. Effects vary by line, harvest timing and individual tolerance.
Possible adverse effects
Dry mouth and dry eyes most often; some users report mild anxiety at high doses, more so with the Haze-leaning XL line. Turbo Autoflower Seeds makes no medical claims; see the FAQ.
Blue Dream Auto Compared With Other Fast Finishers
Growers choosing an autoflower are usually weighing Blue Dream Auto against other quick, beginner-friendly automatics.
The table places it beside the most common alternatives on the parameters that matter for a short-season grow. Turbo Autoflower Seeds stocks only Blue Dream, so the comparison is informational.
| Autoflower | Lean | Seed to harvest | Flavor | Choose it if |
|---|---|---|---|---|
| Blue Dream Auto | 60/40 sativa | 8–12 wk by line | Berry, citrus, pine | Forgiving plant, recognizable flavor, three size options |
| Northern Lights Auto | 90/10 indica | 8–9 wk | Earthy, pine, sweet | Lowest odor and a sedative profile |
| Amnesia Haze Auto | 70/30 sativa | 10–12 wk | Citrus, haze, spice | Maximum energetic effect; more stretch, longer finish |
| Blueberry Auto | 80/20 indica | 9–10 wk | Deep berry | The Blueberry side without the Haze lift |
| Girl Scout Cookies Auto | 60/40 indica | 9–10 wk | Sweet, mint, earthy | Higher reported THC, denser and shorter |
Back to the three Blue Dream Auto lines
Back to contentsSeed Law for Autoflower Growers Around the World
An autoflower seed is legally identical to any other cannabis seed: it contains no measurable THC, and in most of North America and Europe it is classified as hemp genetic material, a collectible or an agricultural product.
What differs for autoflower growers is the plant count. Because autoflowers are small and finish fast, a grower running a perpetual rotation can exceed a household plant limit — four plants in most of Canada, three per adult in Germany, six in several US states — without noticing. Turbo Autoflower Seeds sells to adults aged 21 and over, ships seeds as collectible genetics, and expects buyers to confirm both the seed rule and the cultivation rule before germinating. The table is informational, not legal advice, and reflects the position as of October 2026.
| Region | Buying autoflower seeds | Germinating / growing | Plant-count note for autoflowers |
|---|---|---|---|
| United States | Legal federally: seeds under 0.3% delta-9 THC are hemp under the 2018 Farm Bill (7 U.S.C. §1639o), confirmed by DEA correspondence of 13 January 2022 | State law governs; about half of states allow home cultivation | Limits typically 6–12 plants, often with a cap on flowering plants — a perpetual rotation counts every plant |
| Canada | Legal | Four plants per household under the Cannabis Act; Quebec and Manitoba prohibit home growing | Four at any stage, including seedlings |
| United Kingdom | Legal as collectibles | Illegal without a Home Office licence | Not applicable |
| European Union | Legal in most member states as collectibles | Germany three plants per adult; Spain tolerates private cultivation; most others prohibit | German limit counts plants, not harvests |
| Australia / New Zealand | Restricted; seeds treated as cannabis in most states | ACT only, two plants per person | Imports may be seized |
| Other regions | Varies; several countries criminalize seeds | Prohibited in most | Turbo Autoflower Seeds does not ship where seed possession is a criminal offence |
Primary sources: Agriculture Improvement Act of 2018 (USDA); DEA letter of 13 January 2022 on cannabis seeds; Cannabis Act (Health Canada); German Cannabis Act (KCanG) 2024. Last reviewed October 2026. See the FAQ.
Back to contentsDelivery Speed, Payment and the Germination Promise
A fast plant deserves fast delivery.
Turbo Autoflower Seeds dispatches every order placed before 14:00 UTC on a business day the same day, in plain crush-proof packaging with no mention of seeds, cannabis or the company on the exterior or the customs declaration. Seeds travel in their sealed breeder pouch inside a light-blocking inner envelope.
Discreet tracked shipping
Tracking on every parcel. Orders over $75 ship free; below that, $9 flat. Forwarding services and parcel lockers are at the buyer’s own risk and outside the delivery guarantee.
Payment methods
Visa and Mastercard under a neutral descriptor, bank transfer (SEPA, ACH, wire), Bitcoin and other major cryptocurrencies confirmed within the hour, and cash by registered mail.
Germination guarantee
Seeds that fail to emerge are replaced free once per order within 12 months. Conditions: order number as proof of purchase, one of the two recognized germination methods, and a request within 14 days of the failed attempt.
- Visa
- Mastercard
- SEPA / ACH / wire
- Bitcoin and major crypto
- Cash by registered mail
| Region | Transit time | Free shipping from |
|---|---|---|
| United States | 3–7 business days | $75 |
| Canada | 5–10 business days | $75 |
| United Kingdom and EU | 7–14 business days | $75 |
| Rest of world (where permitted) | 10–21 business days | $75 |
Seeds should be stored sealed, in a cool, dark, dry place — a refrigerator at 4–8 °C is ideal — and will hold their germination rate for two to three years. Autoflower seeds are no more fragile than photoperiod seeds; the guarantee terms are identical.
Back to contentsGrow Logs From Turbo Autoflower Seeds Customers
Turbo Autoflower Seeds publishes every verified-buyer review, including those below four stars, and pays three free seeds for any review that includes a dated photograph and a finish day.
The entries below are representative of the 2026 season. The Standard Auto line carries an average rating of 4.7 out of 5 from 168 verified reviews.
Three seeds, three plants, all female, direct-sown into 18 L pots under a 400 W LED on 18/6. Tallest was 94 cm. Took the main colas at day 64 and the lowers at day 69. Berry smell by week six exactly as described.
Sown 2 May in Denmark, 30 L pots. Finished 24 July at 138 cm; 212 g dry from the best plant. One of five ran a week long and got rained on but no mold. Would start a week earlier next year.
Needed something that fits under a meter. Two plants, 82 and 71 g. Flavor a bit more blueberry than my photoperiod run, slightly less punch. Germination 2 of 2 on wet towel.
First autoflower. Drowned one seedling in week one — my fault — and a second seed never cracked; support sent a replacement in six days. The surviving two finished at day 68 with 71 g each. Good plant, unforgiving first two weeks as the page warns.
Turbo Autoflower Seeds Test Run — Blue Dream Standard Auto, Indoor, 2026
Seeds up within 72 h, direct-sown into 18 L fabric pots
Pistils on all six plants; switched to bloom feed
Harvest at cloudy with 7% amber
Total dry from 1.44 m²; trained plants averaged 96 g, untrained 81 g
| Day | Date | Stage | Height | Observation |
|---|---|---|---|---|
| 3 | 6 Apr 2026 | Emergence | 2 cm | 6/6 seeds up within 72 h, direct-sown into 18 L fabric pots |
| 14 | 17 Apr 2026 | Veg, LST started | 18 cm | Four branches tied outward on three plants; three left untrained as control |
| 23 | 26 Apr 2026 | Pre-flower | 34 cm | Pistils on all six; switched to bloom feed |
| 40 | 13 May 2026 | End of stretch | 88–102 cm | Trained plants 15 cm shorter with wider canopy |
| 65 | 7 Jun 2026 | Harvest | 91–104 cm | Cloudy with 7% amber; trained plants averaged 96 g, untrained 81 g; 532 g total from 1.44 m² |
The Team Behind Turbo Autoflower Seeds
Turbo Autoflower Seeds is an autoflower-only seed bank founded in 2015 by two breeders who had spent the previous decade working with ruderalis-derived lines in the Netherlands and the Pacific Northwest.
The company grows every line it sells from its own mother stock, publishes seed-to-harvest figures only from its own logged test runs, and does not resell third-party packs. The Blue Dream Auto program began the year the company was founded and has reached its eleventh generation of selection; the XL and Express lines were released in 2021 and 2023 respectively. Feminized stock is produced by silver-thiosulfate reversal and grown out batch by batch to confirm the female rate, and each seed lot is laboratory tested to confirm delta-9 THC below 0.3% for shipment as hemp genetics.
Female rate across all lines
Average germination rate, 2025–2026
Generations of Blue Dream Auto selection
Founded
Contact: [email protected] · turboautoflowerseeds.com
Back to contentsBlue Dream Autoflower FAQ
Twenty questions growers ask about Blue Dream autoflower seeds. The answers use the figures in the lines table; legal and health answers carry the same disclaimers as the sections above.
Are Blue Dream autoflower seeds feminized?
Yes. All three Turbo Autoflower Seeds lines are feminized to a 99.9% female rate as well as autoflowering, so every plant is female and flowers on its own timer. The only difference between lines is size and finish time, not sex ratio.
How long does Blue Dream Auto take from seed to harvest?
Standard Auto finishes in 9–10 weeks, XL Auto in 11–12 weeks and Express Auto in 8 weeks, measured from germination. Individual plants vary by about a week; harvest on trichome color, not the calendar. See the grow calendar.
Is Blue Dream Auto indica or sativa?
The Standard line is a balanced 60/40 sativa-dominant expression of the Blueberry × Haze cross; XL leans Haze (70/30) and Express leans Blueberry (55/45). The ruderalis parent contributes the autoflowering trait, not the effect profile. Details under breeding.
What yield does Blue Dream Auto produce?
Indoors: Standard 350–450 g/m², XL 450–550 g/m², Express 250–350 g/m². Outdoors per plant: Standard 60–150 g, XL 120–250 g, Express 40–90 g. A first autoflower grow usually lands at the low end; use the yield table for a figure matched to your space.
Can I top or train a Blue Dream autoflower?
Low-stress training from day 14 to day 21 raises yield 15–20% on Standard and XL and is recommended. Topping is tolerated only on XL, at node four before day 21, by growers with autoflower experience. Express should not be trained at all. Any stress after pre-flowers appear costs more than it returns.
What light schedule is best for Blue Dream Auto?
18/6 is the default and gives the best yield per kilowatt-hour in Turbo Autoflower Seeds’ trials. 20/4 adds about 5% on XL in a cool room. 24/0 works but runs hotter and gains little. Under 12/12 the plant still finishes but yields 30–40% less. See light schedule.
Can I grow Blue Dream Auto outdoors in a short season?
Yes; that is the line’s main purpose. At 50–60° north, Express or Standard sown in mid-May and again in early July gives two harvests before frost. At 45–50° north, Standard or XL sown in late April and late June does the same. Timings by climate are in the outdoor table.
How tall does a Blue Dream autoflower get?
Standard 0.6–1.2 m, XL 1.0–1.5 m, Express 0.5–0.9 m. Final height is set by day 40; a plant started under long summer days or 20/4 lighting grows toward the top of its range.
What is the THC level of Blue Dream Auto?
Breeder-reported THC is 17–21% for Standard, 18–22% for XL and 16–19% for Express, from tested flower in the company’s own grows. Potency depends on line, light intensity, harvest timing and curing.
Autoflower, fast version or photoperiod feminized — which Blue Dream should I grow?
Autoflower when the calendar, the height or the season is the constraint. Photoperiod feminized when maximum yield or a mother plant is the goal. Fast version when the grow is outdoors in a cool-autumn climate and a full-size plant must finish by late September. The calendar comparison lays out the weeks.
Are autoflower seeds legal to buy and grow?
Buying is legal in the US, Canada, the UK and most of the EU because a seed contains under 0.3% THC and is treated as hemp or a collectible. Growing is governed by local cultivation law and plant limits, which count every autoflower in a rotation. Buyers must be 21 or older. See the regional table.
How much do Blue Dream autoflower seeds cost per seed?
Standard and Express cost $16.33 per seed in a pack of three, $15.80 in five, $13.90 in ten and $10.76 in 25. XL costs $17.33, $17.00, $14.90 and $11.56 respectively. Free seeds are added to every order over $75.
Do you ship worldwide and how fast?
Turbo Autoflower Seeds ships to every country where seed possession is lawful, same day for orders before 14:00 UTC, in plain packaging. Transit is 3–7 business days to the US, 5–10 to Canada, 7–14 to the UK and EU and 10–21 elsewhere. Orders over $75 ship free. See delivery.
What if my autoflower seeds don’t germinate?
They are replaced free once per order within 12 months, provided the buyer has the order number, used the paper-towel or direct-sow method and contacts support within 14 days of the failed attempt. Replacements ship within two business days.
Which payment methods are accepted?
Visa, Mastercard, bank transfer (SEPA, ACH, wire), Bitcoin and other major cryptocurrencies, and cash by registered mail. Card statements show a neutral descriptor.
What is the best way to germinate autoflower seeds?
Paper towel at 21–27 °C in the dark, then plant root-down 10 mm deep directly into the final 15–30 L pot; or direct-sow into the final pot. Never start in a small pot and transplant — each transplant costs an autoflower three to five days it cannot recover. Steps under germination.
How should autoflower seeds be stored?
Sealed in the original pouch, inside an airtight container, in a cool, dark, dry place — ideally a refrigerator at 4–8 °C. Avoid freezing and temperature swings. Germination rate holds for two to three years.
What are the possible side effects of Blue Dream Auto?
Dry mouth and dry eyes are most commonly reported; a minority report mild anxiety or dizziness at high doses, more often with the Haze-leaning XL line. Blue Dream Auto is not a medical product and Turbo Autoflower Seeds makes no therapeutic claims; adults should start low and consult a physician about any health concern.
Can I clone a Blue Dream autoflower?
Technically yes, practically no. A cutting inherits the mother’s age and flowers on the same internal clock, so it produces a tiny plant with one or two buds. Autoflowers are grown from seed each time; growers who want a mother plant should use a photoperiod feminized line instead.
Do you sell photoperiod, regular or CBD Blue Dream seeds?
No. Turbo Autoflower Seeds stocks autoflowering genetics only: Blue Dream Standard, XL and Express Auto. Photoperiod feminized, regular and high-CBD Blue Dream lines are sold through separate dedicated catalogs.
Sources: Turbo Autoflower Seeds test runs and terpene testing (2025–2026); Agriculture Improvement Act of 2018 (USDA); DEA letter of 13 January 2022 on cannabis seeds; Cannabis Act (Health Canada); German Cannabis Act (KCanG) 2024. Page last reviewed October 2026.
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