How to Grow Cinderella 99 Fast Version
Cinderella 99 Fast Version is a sativa-dominant fast-flowering strain (60% sativa), a cross of the classic Cinderella 99 with a fast-flowering line for a quicker finish. It carries a 17 to 20% THC level, a sweet, fruity flavor, and an energetic, euphoric and uplifted effect. As a fast version it is a photoperiod plant, not an autoflower, so you flip the lights to bloom and still get a quicker-than-usual harvest. This guide walks you through the whole grow, from germinating the seeds to the final cure.
It stays a manageable 1.4 m, flowers in 8 to 10 weeks, and can be grown all season long. Sweet, bright and forgiving, it gives you the control of a photoperiod plant with less waiting, a great fit for first-time growers.
Recommended Strains
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 |
Skunk x Cinderella 99 Fast Version
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THC | 11% - 18% (Medium) |
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Type | Fast Flowering |
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Yield | High |
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Phenotype | 60% Indica / 40% Sativa |
Cinderella 99 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, sweet-fruity sativa, taken straight from the strain’s grow data.
| Seed type | Fast Version (photoperiod) |
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| Genetics | Cinderella 99 x fast-flowering hybrid |
| Phenotype | 40% Indica / 60% Sativa |
| THC | 17–20% (medium) |
| Flowering time | 8–10 weeks |
| Harvest | All season |
| Height | up to 4.59 ft (1.4 m) |
| Yield indoor | 0.98–1.47 oz/ft² |
| Yield outdoor | up to 15.87 oz/plant |
| Difficulty | Beginner-friendly |
| Climate | Temperate |
| Flavors | Fruity, sweet |
| Effects | Energetic, euphoric, uplifted |
These are fast-flowering seeds, so you get a photoperiod plant that finishes 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 Cinderella 99 Fast Version Seeds
A healthy harvest starts at germination. The paper towel method is hard to beat: fold the Cinderella 99 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, fruity 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 Cinderella 99 Fast Version in the Vegetative Stage
As a photoperiod plant, you control the veg stage with the light schedule. Keep Cinderella 99 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 Cinderella 99 Fast Version
Unlike an autoflower, Cinderella 99 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 of 8 to 10 weeks finishes quicker than a standard Cinderella 99. 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 flowers stay dry. The buds build a sweet, ripe fruit aroma, the juicy signature of the Cinderella line, over a smooth, sugary base.
At 17 to 20% THC it sits in the medium range, giving an energetic, euphoric and uplifted effect, a bright, inspired feel that leans toward daytime use.
Common Problems and Pro Tips
Cinderella 99 Fast Version is a beginner-friendly grow, but its sweet aroma and fast photoperiod clock point to a few things worth watching.
- Train early: do your light topping and tucking in veg, since the faster flip leaves less time to shape the plant later.
- Control the smell: its sweet fruit nose carries in flower, so a carbon filter helps indoors if odor matters.
- Feed steadily: keep nutrients consistent through its quicker bloom so it does not run short before the finish.
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 quicker finish.
Aroma, Flavor and Effects
The nose is sweet and fruity: ripe, juicy fruit front and center over a smooth, sugary base. It is a mouthwatering, dessert-like profile that leans sweet and fresh, carrying the bright character of the classic Cinderella 99.
The flavor follows the nose, sweet fruit through the exhale. On the effect side it is energetic, euphoric and uplifted, a bright, inspired feel that reflects its sativa dominance. Because THC runs a medium 17 to 20%, it stays balanced and expressive rather than overwhelming.
Dominant terpenes
Cinderella 99 Fast Version carries a sweet, fruit-forward terpene profile. Myrcene lays down the soft, fruity base, Caryophyllene adds a warm, peppery edge, and Linalool a gentle floral sweetness. Limonene lends a subtle brightness, Pinene a clean pine freshness, and Humulene a subtly hoppy, earthy depth, together framing its fruity, sweet character.
Nutrient Schedule
Treat the figures below as a starting map, not a rulebook. As a fast-flowering sativa Cinderella 99 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 |
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| 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
Cinderella 99 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 fruit 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 Cinderella 99 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 8 to 10 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, fruity 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 fruit sweetness really comes together, and it is the step most growers rush.

Frequently Asked Questions
Is Cinderella 99 Fast Version an autoflower?
No, Cinderella 99 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 quicker than a standard Cinderella 99 while keeping full photoperiod control.
How long does Cinderella 99 Fast Version take to flower?
Cinderella 99 Fast Version flowers in 8 to 10 weeks once you flip it to 12/12 indoors, quicker than a standard Cinderella 99. It can be grown all season, so you can time a run to suit your schedule and still bring it to a full, quicker-than-usual finish.
Is Cinderella 99 Fast Version good for beginners?
Yes, Cinderella 99 Fast Version is beginner-friendly. Its quicker finish 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 faster flip leaves less time to shape it later.
How much does Cinderella 99 Fast Version yield?
Cinderella 99 Fast Version gives a medium yield, around 0.98 to 1.47 oz/ft² indoors. Outdoors a single plant can reach up to 15.87 oz. For such a quick strain that is a solid return, and keeping conditions steady through its bloom helps the colas fill out fully.
How strong is Cinderella 99 Fast Version?
Cinderella 99 Fast Version has a THC level of 17 to 20%, which sits in the medium range. The effect is energetic, euphoric and uplifted, a bright, inspired feel that leans toward daytime use. It is balanced and expressive rather than overpowering, which suits newer growers well.
What does Cinderella 99 Fast Version taste like?
Cinderella 99 Fast Version leads with a sweet, ripe fruit flavor over a smooth, sugary base, the bright signature of the classic Cinderella 99. It is dessert-like and fresh rather than earthy. Both the aroma and flavor deepen noticeably as the buds cure slowly after harvest.


