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Critical Jack Feminized Marijuana Seeds

Rated 5.00 out of 5 based on 2 customer ratings

Critical Jack Feminized Marijuana Seeds deliver a sativa-dominant experience combining Jack Herer × Critical Plus genetics for an uplifting yet balanced high—ideal for beginners and seasoned growers.

Strain Highlights

✅ Jack Herer × Critical Plus hybrid
✅ Easy to grow, large plants (8+ ft)
✅ 19 % THC with 0.50 % CBD

5 Seeds 65.00

10 Seeds 120.00 (SAVE $10)

25 Seeds 240.00 (SAVE $65)

In Stock

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Strain Details


Genetics	Jack Herer x Critical Plus
THC Level	19%
CBD Level	0.50%
Category Type	Sativa Dominant Hybrid
Growing Level	Easy
Flowering Time	8-10 weeks
Indoor Height	Large (8+ FT)
Outdoor Height	Large (8+ FT)
Harvest Time	September
Indoor Yields	21 oz/m2
Outdoor Yields	42 oz/plant
Taste and Smell	Citrus, Pepper, Pine, Spicy, Tropical, Woody
Terpenes	Myrcene, Phellandrene, Pinene, Terpineol, Valencene

Strain Description

Critical Jack Feminized blends Jack Herer and Critical Plus genetics to produce an energetic, euphoric high paired with mild relaxation. With a profile of 19 % THC and 0.50 % CBD, it offers a cerebral boost balanced by calm, body-friendly effects. Expect a sensory-rich flavor bouquet featuring citrus, pine, spice, and tropical-woody undertones.

Growing Information

This strain is beginner-friendly and thrives in various climates—from sunny to temperate. It reaches large size (8+ ft) both indoors and outdoors, and completes flowering in 8–10 weeks. Indoor cultivation produces ~21 oz/m², while outdoor grows yield about 42 oz per plant come September.

Quick Grow Tips

Lighting: Use a 12/12 photoperiod to flower in under 10 weeks.
Nutrients: Moderate feeding promotes dense, terpene-rich buds.
Watering: Maintain slightly moist soil, avoiding overwatering.
Environment: Ensure airflow and manage height via pruning or training.

Summary

Critical Jack Feminized offers a potent yet accessible sativa-dominant experience with 19 % THC, balanced effects, and large yields—perfect for both beginners and experienced growers in about 8–10 weeks.

Frequency Ask Questions

Q: Can beginner growers succeed with Critical Jack?

A: Yes. This strain is rated easy and performs well for novices, though its large size may require basic training methods.

Q: How long does Critical Jack take to flower?

A: It flowers in 8–10 weeks under a standard 12/12 cycle, with harvest typically in September.

Q: How tall does it grow?

A: Plants reach over 8 ft both indoors and outdoors—consider training or topping to manage height.

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420,430 Happy Customers

⭐️⭐️⭐️⭐️⭐️

"I had a great time cultivating this strain. Every one of my seeds sprouted, and the plants yielded a significant amount. The buzz is clear-headed and inspiring, and the flavour is peppery with notes of lemon and pine."

– Josiah Ezekiel

⭐️⭐️⭐️⭐️⭐️

"Yes, this must be a stinky plant but this has an intense and punchy body high that can get you locked on the couch. I will always go back to CK's website to order this item again and again. A 5/5 review here!"

– Ellie

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Reviews

Reviews (2)

2 reviews for Critical Jack Feminized Marijuana Seeds

Rated 5 out of 5

Josiah Ezekiel – March 5, 2026

I had a great time cultivating this strain. Every one of my seeds sprouted, and the plants yielded a significant amount. The buzz is clear-headed and inspiring, and the flavour is peppery with notes of lemon and pine.
Rated 5 out of 5

Ellie – November 17, 2020

Yes, this must be a stinky plant but this has an intense and punchy body high that can get you locked on the couch. I will always go back to CK’s website to order this item again and again. A 5/5 review here!