How to Grow Cinderella 99 x Blueberry
Cinderella 99 x Blueberry is a sativa-dominant feminized strain (60% sativa), a cross of the fruity Cinderella 99 with the classic Blueberry. It carries a 15 to 18% THC level, a sweet berry and fruity flavor, and an energetic, euphoric and focused effect. As a feminized strain it grows nothing but flowering females, so every seed goes toward your harvest. This guide walks you through the whole grow, from germinating the seeds to the final cure.
It reaches a manageable 1.5 m, flowers in 8 to 10 weeks, and finishes outdoors in October with a heavy yield. Sweet, fruity and forgiving, it is a rewarding grow that still suits first-time growers.
Recommended Strains
Cinderella 99 x Blueberry
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THC | 15% - 18% (Medium) |
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Type | Feminized |
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Yield | High |
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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 |
Cinderella 99 x Blueberry at a Glance
Before you plant anything, it helps to see the full picture in one place. Here is the quick profile for this sweet, berry-forward sativa, taken straight from the strain’s grow data.
| Seed type | Feminized (photoperiod) |
|---|---|
| Genetics | Cinderella 99 x Blueberry |
| Phenotype | 40% Indica / 60% Sativa |
| THC | 15–18% (medium) |
| Flowering time | 8–10 weeks |
| Outdoor harvest | October |
| Height | up to 4.92 ft (1.5 m) |
| Yield indoor | 1.64–1.97 oz/ft² |
| Yield outdoor | up to 28.22 oz/plant |
| Difficulty | Beginner-friendly |
| Climate | Temperate |
| Flavors | Berry, fruity, sweet |
| Effects | Energetic, euphoric, focused |
These are feminized seeds, so you skip the guesswork of males and grow a full room of flowering females. Its 60% sativa lean places it among the sativa seeds, and its heavy harvest earns it a spot with the high-yielding seeds. Its forgiving nature also makes it a solid pick from the best seeds for beginners.
Promos & Deals
How to Germinate Cinderella 99 x Blueberry Seeds
A healthy harvest starts at germination. The paper towel method is hard to beat: fold the Cinderella 99 x Blueberry 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 x Blueberry in the Vegetative Stage
As a photoperiod plant, you control the veg stage with the light schedule. Keep Cinderella 99 x Blueberry 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. As a 60% sativa it grows into a taller, more open plant, settling around 1.5 m with some stretch.
This is the stage to shape the plant. Because it leans sativa and can stretch, topping early and using low-stress training to spread the lower branches opens up the canopy, improves airflow, and keeps the height in check. Give it room so light reaches the inner buds, and its resinous structure rewards the effort with long, frosty colas.
Flowering and Buds of Cinderella 99 x Blueberry
Indoors, flip Cinderella 99 x Blueberry to a 12/12 light cycle to trigger flowering, which runs 8 to 10 weeks. Outdoors it ripens in October. As a sativa-leaning strain it stretches noticeably after the flip, then fills out with long, resinous colas, sometimes showing blue and purple hues from its Blueberry side as the nights cool.
Through bloom, drop humidity to 40 to 45% and keep air moving so the flowers stay dry. The buds build a sweet, ripe berry aroma over a fruity base, the juicy signature of its Blueberry parent.
At 15 to 18% THC it sits in the medium range, giving an energetic, euphoric and focused effect, a bright, clear-headed feel that leans toward daytime use thanks to its sativa dominance.
Common Problems and Pro Tips
Cinderella 99 x Blueberry is a rewarding grow, but its sativa stretch and sweet aroma point to a few things worth watching.
- Sativa stretch: it grows tall and open, so top early and train the canopy to keep the height manageable and the colas even.
- Control the smell: its sweet berry-fruit nose carries in flower, so a carbon filter helps indoors if odor matters.
- Cool nights for color: a slight temperature drop late in flower can coax out its blue and purple hues without stressing the plant.
Expert tip: its berry-fruit profile rewards a clean, slow finish. Train for an even canopy, then dry and cure patiently so the sweet berry top notes hold up over its fruity base.
Aroma, Flavor and Effects
The nose is sweet and fruity: ripe berry front and center over a juicy, fruity base. It is a mouthwatering, dessert-like profile that leans sweet and fresh, carrying the unmistakable berry character of its Blueberry parent.
The flavor follows the nose, sweet berry and fruit through the exhale. On the effect side it is energetic, euphoric and focused, a bright, clear-headed feel that reflects its sativa dominance. Because THC runs a medium 15 to 18%, it stays balanced and approachable rather than overwhelming.
Dominant terpenes
Cinderella 99 x Blueberry carries a sweet, fruit-forward terpene profile. Myrcene lays down the soft, fruity base behind its berry character, 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 berry, fruity, sweet character.
Nutrient Schedule
Treat the figures below as a starting map, not a rulebook. As a vigorous, high-yielding sativa Cinderella 99 x Blueberry is a hearty 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
Cinderella 99 x Blueberry 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 berry 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 x Blueberry
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. Indoors this lands 8 to 10 weeks after the flip, and outdoors the plants are ready in October.
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 berry, fruity and sweet aromas that define 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 sweet ripe berry really comes together, and it is the step most growers rush.
Frequently Asked Questions
How long does Cinderella 99 x Blueberry take to flower?
Cinderella 99 x Blueberry flowers in 8 to 10 weeks once you switch it to a 12/12 light cycle indoors. Grown outdoors, it is ready in October. As a sativa-leaning strain it stretches noticeably after the flip, then fills out with long, resinous colas over that bloom window.
Does Cinderella 99 x Blueberry turn purple?
Cinderella 99 x Blueberry can show blue and purple hues from its Blueberry side, especially when nights cool down late in flower. A slight temperature drop encourages the color without stressing the plant. It is a cosmetic trait, so the buds stay just as potent and flavorful whether or not they turn.
Is Cinderella 99 x Blueberry good for beginners?
Yes, Cinderella 99 x Blueberry is a beginner-friendly feminized strain with vigorous, forgiving genetics and a manageable 1.5 m height. Just plan for a little sativa stretch by topping and training early. Beyond keeping its height in check, it is a resilient, low-fuss plant that rewards simple, steady care.
How much does Cinderella 99 x Blueberry yield?
Cinderella 99 x Blueberry is high-yielding, giving around 1.64 to 1.97 oz/ft² indoors. Outdoors a single plant can reach up to a heavy 28.22 oz. Because it stretches, training the frame into an even canopy early helps its long, resinous colas fill out to their full potential.
How strong is Cinderella 99 x Blueberry?
Cinderella 99 x Blueberry has a THC level of 15 to 18%, which sits in the medium range. The effect is energetic, euphoric and focused, a bright, clear-headed feel that leans toward daytime use. It is balanced and approachable rather than overpowering, in keeping with its sativa dominance.
What does Cinderella 99 x Blueberry taste like?
Cinderella 99 x Blueberry leads with a sweet, ripe berry flavor over a juicy, fruity base, the signature of its Blueberry parent. It is dessert-like and fresh rather than earthy. Both the aroma and flavor deepen noticeably as the buds cure slowly after harvest, bringing the berry sweetness forward.
