How to Grow Cinderella99 x Blueberry Fast Version
Cinderella99 x Blueberry Fast Version is a sativa-dominant fast-flowering strain (60% sativa), a cross of Cinderella 99 and Blueberry with a fast-flowering line added for speed. It carries a 15 to 20% THC level, a sweet blueberry flavor, and an aroused, energetic and relaxed effect. As a fast version it is a photoperiod plant, not an autoflower, so you flip the lights to bloom and still get a seriously quick 7 to 8 week flowering. This guide walks you through the whole grow, from germinating the seeds to the final cure.
It stays a manageable 1.4 m and finishes its fast flowering in record time, which makes it a great fit for growers who want the control of a photoperiod plant with much less waiting. Sweet, fruity and forgiving, it is a rewarding grow for beginners too.
Recommended Strains
Cinderella99 x Blueberry Fast Version
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THC | 15% - 20% (Medium) |
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Type | Fast Flowering |
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Yield | Medium |
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Phenotype | 40% Indica / 60% Sativa |
Cinderella 99 Fast Version
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THC | 17% - 20% (Medium) |
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Type | Fast Flowering |
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Yield | Medium |
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Phenotype | 40% Indica / 60% Sativa |
Cinderella99 x Blueberry Fast Version at a Glance
Before you plant anything, it helps to see the full picture in one place. Here is the quick profile for this fast, blueberry-sweet sativa, taken straight from the strain’s grow data.
| Seed type | Fast Version (photoperiod) |
|---|---|
| Genetics | Cinderella 99 x Blueberry x Fast |
| Phenotype | 40% Indica / 60% Sativa |
| THC | 15–20% (medium) |
| Flowering time | 7–8 weeks |
| Harvest | All season |
| Height | up to 4.59 ft (1.4 m) |
| Yield indoor | 0.98–1.47 oz/ft² |
| Yield outdoor | 2.12–4.23 oz/plant |
| Difficulty | Beginner-friendly |
| Climate | Temperate |
| Flavors | Blueberry, sweet |
| Effects | Aroused, energetic, relaxed |
These are fast-flowering seeds, so you get a photoperiod plant that finishes far quicker than usual. Its 60% sativa lean places it among the sativa seeds, and its quick, forgiving nature makes it a strong pick from the best seeds for beginners. If you are still weighing options, the find your strain tool helps you match it against the rest of the catalog.
Promos & Deals
How to Germinate Cinderella99 x Blueberry Fast Version Seeds
A healthy harvest starts at germination. The paper towel method is hard to beat: fold the Cinderella99 x Blueberry Fast Version seeds inside two damp sheets, slide them between two plates, and keep them somewhere dark at 70 to 79°F. A taproot usually appears in two to five days.
Once the taproot is a few millimeters long, move each seed root-down about 1 cm deep into a small pot of light, airy medium. Keep it lightly moist rather than soaked, hold humidity around 65 to 70%, and give soft light while the first true leaves open. Its vigorous hybrid genetics make for a strong, dependable seedling, which is part of why it suits first-time growers.
Starter tips
- Use plain, lightly pH-balanced water (pH 5.5 to 6.5) for the first week.
- Keep seedlings warm and humid, but never waterlogged.
- Hold off on nutrients until the second set of serrated leaves appears.
Growing Cinderella99 x Blueberry Fast Version in the Vegetative Stage
As a photoperiod plant, you control the veg stage with the light schedule. Keep Cinderella99 x Blueberry Fast Version on 18 hours of light a day for as long as you want it to grow, aim for day temperatures of 68 to 79°F, and hold humidity around 50 to 60%. It suits a temperate climate, so steady, moderate conditions work in its favor. Because it is a fast version, keep veg on the shorter side so it stays compact around 1.4 m.
This is the stage to shape the plant. A little topping and low-stress training spreads the lower branches, opens up the canopy, and keeps its light sativa stretch in check. Give it room so light reaches the inner buds, and its resinous structure rewards the effort with even, frosty colas.
Flowering and Buds of Cinderella99 x Blueberry Fast Version
Unlike an autoflower, Cinderella99 x Blueberry Fast Version is a photoperiod plant, so you trigger flowering by switching to a 12/12 light cycle. The difference is speed: its flowering time is a seriously quick 7 to 8 weeks, far faster than a standard photoperiod. Because it can be grown all season, you can time a run to suit your setup.
Through bloom, drop humidity to 40 to 45% and keep air moving so the buds stay dry. The flowers build a sweet, ripe blueberry aroma, the fruity signature of its Blueberry side, over a smooth, sugary base.
At 15 to 20% THC it sits in the medium range, giving an aroused, energetic and relaxed effect, an upbeat, lively feel balanced by a touch of body.
Common Problems and Pro Tips
Cinderella99 x Blueberry Fast Version is a beginner-friendly grow, but its quick bloom and sweet aroma point to a few things worth watching.
- Feed to the fast clock: with a 7 to 8 week bloom, keep nutrients steady so it does not run short during its short, quick flowering.
- Control the smell: its sweet blueberry nose carries in flower, so a carbon filter helps indoors if odor matters.
- Train early: do your light topping and tucking in veg, since the fast flip leaves little time to shape the plant later.
Expert tip: remember it is a fast version, not an autoflower, so you still control veg length with the light cycle. Keep veg short for a compact plant, then flip to 12/12 and enjoy the quick finish.
Aroma, Flavor and Effects
The nose is sweet and fruity: ripe blueberry front and center over a smooth, sugary base. It is a juicy, dessert-like profile that leans sweet and fresh, carrying the unmistakable berry character of its Blueberry parent.
The flavor follows the nose, sweet blueberry through the exhale. On the effect side it is aroused, energetic and relaxed, an upbeat, lively feel grounded by a touch of body. Because THC runs a medium 15 to 20%, it stays balanced and approachable rather than overwhelming.
Dominant terpenes
Cinderella99 x Blueberry Fast Version carries a sweet, fruit-forward terpene profile. Myrcene lays down the soft, fruity base behind its blueberry character, Linalool adds a gentle floral sweetness, and Caryophyllene a warm, peppery edge. Limonene lends a subtle brightness, Pinene a clean pine freshness, and Humulene a subtly hoppy, earthy depth, together framing its blueberry, sweet character.
Nutrient Schedule
Treat the figures below as a starting map, not a rulebook. As a fast-flowering hybrid Cinderella99 x Blueberry Fast Version is a steady feeder, so read the plant first: tip burn means back off, while pale, slow growth means it wants a little more. All values use EC.
| Stage | EC |
|---|---|
| Seedling | 0.4–0.6 |
| Growth | 0.8–1.2 |
| Early flower | 1.2–1.4 |
| Full flower | 1.4–1.6 |
| Flush | 0.0–0.4 |
Keep the pH around 6.0 to 6.5 in soil and 5.5 to 6.0 in hydro so the roots can actually take up what you feed.
What to Do With Your Trim: Extracts and Hash
Cinderella99 x Blueberry Fast Version builds a good coat of resin, so its trim is worth keeping rather than tossing. The sugar leaves you take off while manicuring hold trichomes and suit Ice Water Hash, where cold water and agitation separate the resin heads into a clean, solventless concentrate. Pressing that hash into rosin keeps the sweet blueberry flavor intact, or you can run a solvent extraction if that is your setup. The bare stems will not extract, but chopped and composted they feed organic matter back into the soil for your next grow.
Harvesting, Drying and Curing Cinderella99 x Blueberry Fast Version
Timing the harvest comes down to the trichomes. Grab a loupe and watch the heads turn from clear to milky white; a scattering of amber signals peak ripeness. For this fast version that lands a quick 7 to 8 weeks after the flip, and because it runs all season you can time a finish to suit your setup.
After the cut, hang the branches in a dark room at 59 to 68°F with humidity near 50% and gentle air movement. Slow beats fast: drying over 10 to 14 days protects the sweet blueberry aroma that defines this strain. When the small stems snap instead of bending, move the buds into jars.
Cure in sealed glass, opening the jars daily for the first week to let moisture escape, then easing off as the aroma deepens. Two to four weeks of patience here is where the ripe blueberry sweetness really comes together, and it is the step most growers rush.
Frequently Asked Questions
Is Cinderella99 x Blueberry Fast Version an autoflower?
No, Cinderella99 x Blueberry Fast Version is a fast version, not an autoflower. It is a photoperiod plant, so you still trigger flowering by switching to a 12/12 light cycle. The difference is speed: a fast-flowering line was added so it finishes in just 7 to 8 weeks instead of the usual longer bloom.
How long does Cinderella99 x Blueberry Fast Version take to flower?
Cinderella99 x Blueberry Fast Version has a seriously quick flowering time of 7 to 8 weeks once you flip it to 12/12 indoors. That is much faster than a standard photoperiod strain, which is the whole point of a fast version, and it can be grown all season to suit your schedule.
Is Cinderella99 x Blueberry Fast Version good for beginners?
Yes, Cinderella99 x Blueberry Fast Version is beginner-friendly. Its quick 7 to 8 week bloom and compact 1.4 m size make it forgiving and low-commitment, while still giving you the control of a photoperiod plant. Just do your light training early, since the fast flip leaves little time to shape it later.
How much does Cinderella99 x Blueberry Fast Version yield?
Cinderella99 x Blueberry Fast Version gives a medium yield, around 0.98 to 1.47 oz/ft² indoors. Outdoors a single plant yields a more modest 2.12 to 4.23 oz. For such a fast strain that is a solid return, and keeping conditions steady through its short bloom helps the colas fill out.
How strong is Cinderella99 x Blueberry Fast Version?
Cinderella99 x Blueberry Fast Version has a THC level of 15 to 20%, which sits in the medium range. The effect is aroused, energetic and relaxed, an upbeat, lively feel balanced by a touch of body. It stays approachable and expressive rather than overpowering, which suits newer growers well.
What does Cinderella99 x Blueberry Fast Version taste like?
Cinderella99 x Blueberry Fast Version leads with a sweet, ripe blueberry flavor over a smooth, sugary base, the fruity signature of its Blueberry side. It is juicy and dessert-like rather than sharp. Both the aroma and flavor deepen noticeably as the buds cure slowly after harvest.
