
Mostly Indica · Photoperiod
Blueberry (Fast) Feminized
Purple Thai × Afghani x Ruderalis
Blueberry (Fast) feminized seeds deliver the classic indica-dominant Blueberry profile with a significantly compressed flowering window, making this strain one of the most practical choices for growers who prioritize both quality and efficiency. A photoperiod feminized variety — not an autoflower — these seeds produce 100% female plants that finish faster than the original Blueberry without sacrificing the dense, resinous structure or the fruit-forward terpene expression the cultivar is known for.
Genetics & Lineage
Blueberry (Fast) is built on DJ Short's original Blueberry genetics, a three-way indica-dominant cross tracing back to Thai, Purple Thai, and Afghani landrace lines developed in the 1970s and refined through the 1980s. The fast-flowering version introduces a ruderalis-derived early-finish trait through careful backcrossing, trimming approximately two to three weeks from the original flowering schedule while preserving the core indica structure and flavor genetics. The result is a stabilized feminized photoperiod strain with roughly 80% indica influence.
Aroma, Flavour & Effects
The terpene profile is anchored by myrcene, which drives the deep berry sweetness and contributes to the strain's pronounced body effect. Caryophyllene adds a faint spiced warmth underneath the fruit, and linalool rounds the profile toward floral, almost lavender-adjacent notes that become more distinct during the cure. Fresh off the trim, expect a sweet blueberry jam aroma with subtle vanilla undertones. Combusted or vaporized, the flavour follows the nose closely — smooth, sweet, and mildly earthy on the exhale with very little harshness.
Effects are typically slow in onset — around 10 to 15 minutes — and settle into a full-body relaxation that is calming without being immediately sedating at moderate doses. Higher consumption tends toward heavier physical sedation, making evening or late-afternoon use the most practical fit. THC content typically sits between 17% and 20%, with CBD below 1%.
Growing Profile
Indoor growers can expect a flowering period of 49 to 56 days under a standard 12/12 light cycle, finishing roughly two weeks earlier than the original Blueberry. Outdoor harvests are typically ready by late September in temperate climates. Indoor yields range from 450 to 500 grams per square metre under optimized conditions; outdoor plants in full sun can produce 500 to 600 grams per plant depending on vegetative period and canopy management.
Plants grow to a compact 80 to 110 cm indoors with a classic indica structure — wide internodal spacing and thick lateral branching that responds well to low-stress training and light defoliation. The strain handles moderate humidity reasonably well but benefits from improved airflow during the final two weeks of flower when bud density increases the risk of moisture retention. Difficulty level is beginner-to-intermediate; the genetics are forgiving, though dial-in of late-flower conditions will meaningfully affect terpene preservation and resin quality.
Who This Strain Is For
This strain suits home growers running multiple cycles per year who want a reliable, flavour-expressive indica without building their schedule around an 11- or 12-week flower. The compact height makes it well-suited to tent grows and discreet indoor setups. Experienced cultivators will appreciate the genetic foundation and the ceiling for quality when dialed in properly; beginners benefit from the strain's structural resilience and straightforward feeding requirements. For anyone drawn to sweet, fruit-forward cultivars with consistent sedative effects, this is one of the cleaner expressions of that profile available in feminized seed form.
Blueberry (Fast) feminized seeds offer a proven genetic foundation with a practical timeline — the kind of strain that earns a permanent spot in a rotation rather than a one-time grow.
THC
High THC (16-24%)
CBD
Low CBD (0-1%)
Genetics
Cinderella 99 x Blueberry x Fast
Sex
Feminized
Flowering time
6 to 8 weeks
Harvest month
September
Indoor yield
350-450 gr/m2
Outdoor yield
High Yield (450-750gr/plant)
Plant size
80cm -1.40m
Climate
Indoor, Temperate, Mediterranean
Odour
Sweet, Fruity
Learn how to grow Blueberry (Fast) Feminized — germination, feeding, training, and harvest tips.
Read the grow guide →⚠️ Sold as a collector's item only. For adults of legal age in your province. See legal notice →







