How to Grow Critic Boom
Critic Boom is a sativa-dominant feminized strain (60% sativa) with a lineage the breeder keeps under wraps. It carries a potent 20 to 25% THC level, a citrus, earthy and sweet flavor, and a happy, munchie-inducing and relaxed 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 stays a manageable 1.5 m, flowers in 8 to 10 weeks, and finishes outdoors in October with a heavy indoor yield. Productive, flavorful and forgiving, it is a rewarding grow that still suits first-time growers.
Recommended Strains
Critic Boom
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THC | 20% - 25% (High) |
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Type | Feminized |
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Yield | High |
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Phenotype | 40% Indica / 60% Sativa |
Critical 2.0
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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 | 60% Indica / 40% Sativa |
Critic Boom at a Glance
Before you plant anything, it helps to see the full picture in one place. Here is the quick profile for this potent, citrus-sweet sativa, taken straight from the strain’s grow data.
| Seed type | Feminized (photoperiod) |
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| Genetics | Secret (breeder undisclosed) |
| Phenotype | 40% Indica / 60% Sativa |
| THC | 20–25% (medium to high) |
| Flowering time | 8–10 weeks |
| Outdoor harvest | October |
| Height | up to 4.92 ft (1.5 m) |
| Yield indoor | 1.8–2.13 oz/ft² |
| Yield outdoor | 7.05–8.82 oz/plant |
| Difficulty | Beginner-friendly |
| Climate | Temperate |
| Flavors | Citrus, earthy, sweet |
| Effects | Happy, munchie-inducing, relaxed |
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 indoor 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 Critic Boom Seeds
A healthy harvest starts at germination. The paper towel method is hard to beat: fold the Critic Boom 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 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 Critic Boom in the Vegetative Stage
As a photoperiod plant, you control the veg stage with the light schedule. Keep Critic Boom 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, though it stays manageable around 1.5 m.
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 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 Critic Boom
Indoors, flip Critic Boom 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, resin-heavy colas, and its best weight comes indoors under controlled conditions.
Through bloom, drop humidity to 40 to 45% and keep air moving so the flowers stay dry. The buds build a bright citrus aroma over an earthy base with a sweet undertone, a zesty, mouthwatering profile.
At 20 to 25% THC it reaches from the medium range into the high range, giving a happy, munchie-inducing and relaxed effect, an upbeat, easygoing feel that still carries real strength.
Common Problems and Pro Tips
Critic Boom is a rewarding grow, but its sativa stretch, high potency 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.
- Grow it indoors for weight: its heaviest yields come indoors, where you control light and climate, so give it a tuned environment to shine.
- Control the smell: its citrus-sweet nose carries in flower, so a carbon filter helps indoors if odor matters.
Expert tip: its citrus-sweet profile rewards a clean grow. Train for an even canopy, and dry and cure slowly so the zesty citrus and sweet notes hold up over its earthy base.
Aroma, Flavor and Effects
The nose is bright and inviting: a zesty citrus lift up front over an earthy base, with a sweet undertone rounding it out. It is a mouthwatering profile that pairs fresh citrus with a grounded, slightly sweet depth.
The flavor follows the nose, zesty citrus and sweetness over an earthy finish on the exhale. On the effect side it is happy, munchie-inducing and relaxed, an upbeat, easygoing feel that often leaves you reaching for a snack. Because THC runs a potent 20 to 25%, it is genuinely strong, so pace yourself.
Dominant terpenes
Critic Boom carries a bright, citrus-forward terpene profile. Limonene drives the zesty citrus that defines its nose, Myrcene lays down a soft, earthy base, and Carene adds a sweet, piney note. Pinene brings a clean pine freshness, Linalool a gentle floral touch, and Humulene a subtly hoppy, earthy depth, together framing its citrus, earthy, sweet character.
Nutrient Schedule
Treat the figures below as a starting map, not a rulebook. As a vigorous, high-yielding, high-THC strain Critic Boom 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 |
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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
Critic Boom builds a heavy 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 Critic Boom
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, earthy 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 zesty citrus and sweet notes really come together, and it is the step most growers rush.

Frequently Asked Questions
What are the genetics of Critic Boom?
Critic Boom is a sativa-dominant feminized hybrid whose exact parents the breeder keeps secret. What is known is its makeup: a 60% sativa lean, a potent 20 to 25% THC level, and a citrus, earthy and sweet profile. The grow data tells you everything you need to raise it well, even without the family tree.
How long does Critic Boom take to flower?
Critic Boom 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, resin-heavy colas over that bloom window.
Is Critic Boom good for beginners?
Yes, Critic Boom is a beginner-friendly feminized strain with vigorous, forgiving genetics. 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, though its 20 to 25% THC means new smokers should go easy.
How much does Critic Boom yield?
Critic Boom is high-yielding indoors, giving around 1.8 to 2.13 oz/ft². Outdoors a single plant yields a more modest 7.05 to 8.82 oz, so this is a strain that rewards a controlled indoor setup. Training the frame into an even canopy helps its resinous colas fill out fully.
How strong is Critic Boom?
Critic Boom has a THC level of 20 to 25%, which reaches from the medium range into the high range. The effect is happy, munchie-inducing and relaxed, an upbeat, easygoing feel. Because it is genuinely potent, new growers and lighter smokers should start with a little and pace themselves.
What does Critic Boom taste like?
Critic Boom leads with a bright, zesty citrus flavor over an earthy base, finished with a sweet undertone. It is fresh and mouthwatering rather than heavy. Both the aroma and flavor deepen noticeably as the buds cure slowly after harvest, sharpening the citrus against its earthy depth.


