How to Grow Blueberry FV
The lineage on this datasheet is cannabis scripture: Thai x Purple Thai x Afghani, the exact recipe DJ Short used to create Blueberry, the fruit strain every berry hybrid descends from. Blimburn Seeds grows the classic as Blueberry, and this guide covers its accelerated heir: Blueberry Fast Version, the same legend flowering in a startling 6-7 weeks.
The chemistry spans 15-24% THC depending on phenotype, reaching the high band at its peak, while the 60% indica balance delivers the strain’s famous evening character: deeply soothing, relaxed, the kind of flower that closes a day rather than opening one. The flavor list needs just two words, blueberry and sweet, because the plant invented that category.
Recommended Strains
Blueberry Fast Version
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THC | 15% - 24% (High) |
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Type | Fast Flowering |
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Yield | High |
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Phenotype | 60% Indica / 40% Sativa |
Blue Cheese
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THC | 16% - 20% (Medium) |
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Type | Feminized |
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Yield | High |
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Phenotype | 80% Indica / 20% Sativa |
For growers, the surprise is production: 600 g/m² indoors from a compact 3.94 ft plant, on the fastest flowering clock in this guide series. Outdoors it stays modest at 250-300 grams per plant, so the tent is this cultivar’s stage. Here is the complete run.
Blueberry FV at a Glance
The datasheet, with the flowering row earning a double take.
| Type | Fast Flowering (photoperiod) |
| Lineage | Thai x Purple Thai x Indica Afghani |
| Phenotype | 60% Indica / 40% Sativa |
| THC | 15% – 24% (high) |
| Climate | Tropical to warm |
| Height | Up to 3.94 ft (1.2 m) |
| Flowering time | 6 – 7 weeks after the flip |
| Harvest window | All Season |
| Yield indoor | 1.97 oz/ft² (600 g/m²) |
| Yield outdoor | 8.82 – 10.58 oz/plant (250 – 300 g/plant) |
| Effects | Deeply soothing, relaxed, deeply relaxing |
| Flavors | Blueberry, sweet |
Six hundred grams per square meter in six to seven weeks of flower is an extraordinary rate of production; most strains need three or four extra weeks to reach the same number. The compact 3.94 ft frame keeps all of it manageable in the smallest tents, which is exactly where this plant belongs.
Promos & Deals
Getting Blueberry FV Started
Germinate at 70-79°F in paper towels or starter plugs; taproots show within three days. As a photoperiod plant it transplants comfortably, so pot up in stages to a 3-5 gallon final container. The seedlings show the classic Blueberry look early: broad indica leaves with red and purple streaks on the stems.
Veg under 18 hours of light at 68-82°F; the tropical rating means this plant genuinely enjoys warmth that would trouble cold-climate genetics. Keep humidity at 50-60% and the veg short, two to three weeks, because the compressed bloom makes long veg pointless and the plant stays small regardless.
Feeding Blueberry FV by EC
Producing 600 grams in under two months of flower demands a compressed, confident feeding schedule. Track EC, hold pH at 6.0-6.5 in soil, and bring everything forward a week.
| Stage | Weeks | EC | Notes |
|---|---|---|---|
| Seedling | 1-2 | 0.4 – 0.6 | Plain water or very light feed |
| Vegetative | 2-3 | 0.8 – 1.2 | Nitrogen-leaning base nutrients |
| Preflower | Flip + 1 | 1.2 – 1.4 | Short transition; bloom comes fast |
| Bloom | Flip + 2-6 | 1.4 – 1.6 | Bloom base, PK booster from week 2 |
| Flush | Final 1 | 0.0 – 0.4 | Plain pH-corrected water |
Everything happens early: the PK booster enters at week 2 of flower instead of week 4, peak feeding lands in weeks 3 through 5, and by week 6 the fastest phenotypes are ripening. Watch calcium and magnesium under LED lights, and treat any correction as same-day business on a clock this short.
The flush compresses too, one clean week instead of two. Berry terpenes reward even that short discipline with a noticeably smoother jar.
Training Blueberry FV and Flipping to 12/12
Top once above the fourth node in week 2 and open the frame with low-stress training; that is the entire program. With flowering this short, any technique that costs recovery time costs harvest, and the naturally even, bushy structure needs little persuasion anyway.
Flip to 12/12 when the canopy covers about two thirds of the footprint. The stretch is brief and polite, and then the plant simply sprints: visible bud set by day 10, colas fattening by week 3, trichomes clouding by week 5. Keep humidity at 40-45% once flowers stack, with steady airflow around the dense indica buds, and check the garden daily because this schedule waits for no one.
Harvesting and Curing Blueberry FV
Start reading trichomes at week 5 of flower, absurdly early by normal standards and exactly right here. Fast phenotypes finish near day 42, the rest by day 49. Harvest at mostly cloudy with scattered amber; the deeply relaxing evening character develops fully in the cure, so there is no need to chase extra amber on the plant.
Dry for 10-14 days at 59-68°F and around 55% humidity, then cure in glass for at least three weeks. Blueberry is famous for rewarding patience: the berry note is quiet at harvest, clear by week two, and unmistakable by week four, when cool nights during late bloom have also turned the buds purple. Few jars in cannabis are this photogenic.
What to Do With Your Trim
The original Blueberry built part of its legend in hash, and the Fast Version inherits the resin. Dry-sift for kief with a distinct berry sweetness, wash ice water hash for something special, or infuse butter where the dessert profile belongs naturally. With two or three indoor runs per year on this clock, trim accumulates fast; process it while fresh.
Aroma, Flavor and Terpenes
Nine terpenes survive deduplication, and six carry the signature. Myrcene is the engine, the deep, ripe fruit note that the whole world reads as blueberry, supported by caryophyllene’s gentle spice and humulene’s dry earth. Pinene adds a fresh forest edge that keeps the sweetness from going flat.
The interesting pair is borneol and eucalyptol, cool, camphor-leaning rarities that give the exhale the crisp, almost alpine finish old Blueberry lovers remember. Phellandrene, phytol and valencene complete the roster quietly. It is a vintage arrangement, fruit and cool air rather than candy, and it deepens in the jar for a month.
Frequently Asked Questions
What does FV mean in Blueberry FV?
FV stands for Fast Version: a photoperiod plant bred for dramatically shorter flowering without becoming an autoflower. Blueberry Fast Version still flowers when light drops to 12/12, then finishes in just 6-7 weeks, enabling its All Season outdoor window.
How strong is Blueberry FV?
THC spans 15-24% depending on phenotype, reaching the high band at the top. Combined with the 60% indica genetics, the experience is deeply soothing and relaxed, classic evening Blueberry in modern concentrations.
How long does Blueberry FV take to flower?
Just 6-7 weeks from the 12/12 flip, among the fastest photoperiod strains in the Blimburn Seeds catalog. With a short veg, a complete indoor cycle fits inside ten weeks, allowing several runs per year.
How much does Blueberry FV yield?
Indoors it excels: 1.97 oz/ft² (600 g/m²) in a remarkably short window. Outdoors it stays modest at 8.82-10.58 oz (250-300 g) per plant, so grow rooms and greenhouses are its natural home.
Is Blueberry FV a good strain for beginners?
Yes. It stays small, structures itself, feeds predictably and finishes before most problems can develop. The one skill it demands is attention, because on a 6-7 week bloom, every stage arrives sooner than habit expects.
What does Blueberry FV taste like?
Ripe blueberry over soft sweetness with a cool, faintly piney exhale, the original berry profile that named a whole genre. It develops dramatically in the jar, reaching its famous depth after three to four weeks of curing.
