How to Grow Cinderella 99 x Amnesia Haze
Cinderella 99 x Amnesia Haze is a strongly sativa-dominant feminized strain (85% sativa), a cross of the fruity Cinderella 99 with the legendary Amnesia Haze. It carries a 15 to 20% THC level, a citrus, fruity and herbal flavor, and an energetic, euphoric and giggly 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 high yield. Bright, zesty and forgiving, it brings classic haze energy in a grow that still suits first-time growers.
Recommended Strains
Cinderella 99 x Amnesia Haze
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THC | 15% - 20% (Medium) |
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Type | Feminized |
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Yield | High |
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Phenotype | 15% Indica / 85% Sativa |
Cinderella 99 x Lemon Pie
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THC | 18% - 22% (Medium) |
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Type | Feminized |
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Yield | High |
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Phenotype | 30% Indica / 70% Sativa |
Cinderella 99 x Amnesia Haze at a Glance
Before you plant anything, it helps to see the full picture in one place. Here is the quick profile for this bright, citrus-forward sativa, taken straight from the strain’s grow data.
| Seed type | Feminized (photoperiod) |
|---|---|
| Genetics | Cinderella 99 x Amnesia Haze |
| Phenotype | 15% Indica / 85% Sativa |
| THC | 15–20% (medium) |
| Flowering time | 8–10 weeks |
| Outdoor harvest | October |
| Height | up to 4.92 ft (1.5 m) |
| Yield indoor | 1.47–1.64 oz/ft² |
| Yield outdoor | up to 17.64 oz/plant |
| Difficulty | Beginner-friendly |
| Climate | Temperate |
| Flavors | Citrus, fruity, herbal |
| Effects | Energetic, euphoric, giggly |
These are feminized seeds, so you skip the guesswork of males and grow a full room of flowering females. Its 85% sativa lean places it firmly among the sativa seeds, and its strong 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 Amnesia Haze Seeds
A healthy harvest starts at germination. The paper towel method is hard to beat: fold the Cinderella 99 x Amnesia Haze 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, haze-backed 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 Amnesia Haze in the Vegetative Stage
As a photoperiod plant, you control the veg stage with the light schedule. Keep Cinderella 99 x Amnesia Haze 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 an 85% sativa it grows into a taller, more open plant, though it stays manageable around 1.5 m.
This is the stage to shape the plant. Because it leans heavily sativa and can stretch, topping early and using low-stress training to spread the 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 Amnesia Haze
Indoors, flip Cinderella 99 x Amnesia Haze to a 12/12 light cycle to trigger flowering, which runs 8 to 10 weeks. Outdoors it ripens in October. Its Amnesia Haze side drives a strong stretch and airy, elegant flowers early, which tighten into long, resinous colas as they finish.
Through bloom, drop humidity to 40 to 45% and keep air moving, which matters for a haze-style plant whose open colas can trap damp. The flowers build a bright citrus aroma over a fruity middle, with a green, herbal base, a lively, mouthwatering profile.
At 15 to 20% THC it sits in the medium range, giving an energetic, euphoric and giggly effect, a bright, sociable, daytime feel that reflects its strong sativa roots.
Common Problems and Pro Tips
Cinderella 99 x Amnesia Haze is a rewarding grow, but its haze heritage and bright 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.
- Keep airflow up: its haze-style flowers like good air movement, so run an oscillating fan to keep them dry in bloom.
- Control the smell: its sharp citrus nose carries in flower, so a carbon filter helps indoors if odor matters.
Expert tip: its citrus-haze profile rewards a clean, slow finish. Train for an even canopy, then dry and cure patiently so the zesty citrus top notes and green, herbal base hold their balance.
Aroma, Flavor and Effects
The nose is bright and zesty: a sharp citrus lift up front over a fruity middle, with a green, herbal base. It is a lively, mouthwatering profile that pairs Cinderella 99’s fruitiness with the classic citrus-haze character of Amnesia Haze.
The flavor follows the nose, zesty citrus and fruit over a herbal finish on the exhale. On the effect side it is energetic, euphoric and giggly, a bright, sociable feel that reflects its 85% sativa lean. Because THC runs a medium 15 to 20%, it stays balanced and expressive rather than overwhelming.
Dominant terpenes
Cinderella 99 x Amnesia Haze carries a bright, citrus-forward terpene profile. Limonene drives the zesty citrus that defines its nose, Myrcene lays down a soft, fruity base, and Caryophyllene adds a warm, peppery edge. Humulene brings a green, herbal depth, Pinene a clean pine freshness, and Linalool a gentle floral touch, together framing its citrus, fruity, herbal character.
Nutrient Schedule
Treat the figures below as a starting map, not a rulebook. As a vigorous, high-yielding sativa Cinderella 99 x Amnesia Haze 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 Amnesia Haze 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 zesty citrus 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 Amnesia Haze
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 citrus, fruity and herbal 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 zesty citrus and herbal notes really come together, and it is the step most growers rush.
Frequently Asked Questions
How long does Cinderella 99 x Amnesia Haze take to flower?
Cinderella 99 x Amnesia Haze flowers in 8 to 10 weeks once you switch it to a 12/12 light cycle indoors. Grown outdoors, it is ready in October. Its Amnesia Haze side drives airy, elegant flowers early on, which then tighten into long, resinous colas as they finish over that bloom window.
How tall does Cinderella 99 x Amnesia Haze grow?
Cinderella 99 x Amnesia Haze reaches around 1.5 m, manageable for such a sativa-heavy strain. It still stretches after the flip, so top it early and use low-stress training to spread the canopy. That keeps the height in check and helps light reach every bud site on the open frame.
Is Cinderella 99 x Amnesia Haze good for beginners?
Yes, Cinderella 99 x Amnesia Haze is beginner-friendly, which is handy for a haze-heavy sativa. Its forgiving genetics and 1.5 m height make it manageable, with no males to sort. Just plan for a little stretch by training early, and keep airflow up around its haze-style flowers.
How much does Cinderella 99 x Amnesia Haze yield?
Cinderella 99 x Amnesia Haze is high-yielding, giving around 1.47 to 1.64 oz/ft² indoors. Outdoors a single plant can reach up to 17.64 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 Amnesia Haze?
Cinderella 99 x Amnesia Haze has a THC level of 15 to 20%, which sits in the medium range. The effect is energetic, euphoric and giggly, a bright, sociable daytime feel that reflects its 85% sativa lean. It is balanced and expressive rather than overpowering, which makes it approachable for newer growers.
What does Cinderella 99 x Amnesia Haze taste like?
Cinderella 99 x Amnesia Haze leads with a sharp, zesty citrus flavor over a fruity middle, finished with a green, herbal base, the classic citrus-haze character of Amnesia Haze. It is bright and lively rather than sweet. Both the aroma and flavor deepen noticeably as the buds cure slowly after harvest.
