Dense buds increase mold risk. Maintain airflow, remove inner shaded growth, and hold late flower RH under 45%.

Home » Shop » Feminized Autoflowering Seeds » Critical Blue

Critical Blue Feminized Autoflowering Seeds

Q: What is Critical Blue?

An indica-dominant hybrid from Critical Mass x Blueberry with fruity aroma and dense colas.

Q: How long is flowering time?

Flowering takes 8 to 9 weeks indoors. Outdoor harvest falls in late September to October in temperate zones.

Q: What nutrient approach works best?

Use moderate nitrogen in veg. Shift to higher phosphorus and potassium during bloom. Target EC 1.2 to 1.8 in flowering.

Q: Which training methods work well?

Topping in early veg plus low stress training through week three. Use SCROG to maximize canopy and light use.

Q: What humidity and temperature targets are ideal?

Keep RH 40-60% in veg and 35-45% in late flower. Day temps 22-26C and night temps 16-20C.

Q: How do I boost resin and trichome production?

Apply K-rich bloom nutrients after week four. Add silica for stem strength. Lower humidity in final two weeks.

Q: When is the best harvest window?

Harvest when trichomes are mostly cloudy with about 20-30% amber for a balanced effect.

Q: How should I dry and cure buds?

Dry 7-10 days at 45-55% RH and 18-21C. Cure in jars for four weeks or longer for smoother smoke.

Q: Is Critical Blue suitable for small spaces?

Yes. Use training and autoflower seeds for shorter cycles and compact growth.

Critical Blue Feminized Autoflowering Seeds by Captain Seeds - Indica-dominant hybrid with blueberry flavor, heavy yields, and a calming, focused effect.

High yields with dense colas
Strong blueberry aroma and sweet finish
Easy training for medium spaces

Critical Blue pairs Critical Mass vigor with Blueberry aroma. Plants stay medium height and produce dense colas with high yield potential. Flowering runs 8 to 9 weeks. Train plants with topping and LST during veg for an even canopy. Lower humidity in late flower to reduce mold risk. Harvest at mostly cloudy trichomes with 20-30% amber. Dry and cure slowly to preserve aroma and smoothness.

Critical Blue Feminized Autoflowering Seeds Quick Facts

All the essential strain details at a glance for growers and users.

Property	Value	Description
Type	Indica-dominant hybrid	Critical Blue is an indica-dominant hybrid offering balanced buds.
THC Content	18-24%	THC typically runs 18% to 24%.
CBD Content	<1%	CBD stays below 1%.
Grow Difficulty	Intermediate	Grow difficulty is intermediate. You need basic training and steady nutrient control.
Flowering Time	8-9	Flowering takes 8 to 9 weeks indoors.
Yield	High (450-600 g/m2 indoor, 500-800 g/plant outdoor)	Expect high yields: 450 to 600 g/m2 indoors and 500 to 800 g per plant outdoors.
Height	Medium (80-140 cm)	Plants reach 80 to 140 cm under normal conditions.
Environment	Indoor and outdoor	Performs well indoors and outdoors. You should train plants for tighter spaces.
Effects	Relaxed, Calm, Light focus	Expect a relaxed body, calm mind, and light focus.
Flavor Profile	Blueberry, Earthy, Sweet	Flavors blend blueberry, earthy soil notes, and a sweet finish.
Genetics	Critical Mass x Blueberry	Genetics are Critical Mass x Blueberry, producing dense fruity buds.
Seed Type	Feminized Autoflowering	Seed type is Feminized Autoflowering. You get fixed-sex plants and faster cycles.
Climate	Mediterranean	Prefers Mediterranean climates with warm days and mild nights.

Frequently Asked Questions

Answers to Common Questions About Growing Critical Blue Cannabis Seeds

What is Critical Blue?

How long is flowering time?

What nutrient approach works best?

Which training methods work well?

What humidity and temperature targets are ideal?

Is mold a concern?

How do I boost resin and trichome production?

When is the best harvest window?

How should I dry and cure buds?

Is Critical Blue suitable for small spaces?

Note: With our BOGO Promo, your FREE Seeds can be any strain you choose.

BEGINNER +2 FREE

3 Seeds

$36.99

+5 FREE SEEDS

5 Seeds

$59.99

+10 FREE SEEDS

10 Seeds

$104.99

+25 FREE SEEDS

25 Seeds

$219.99

Total: $36.99

Qty:

0.0 Average

Reviews ☆☆☆☆☆

0 reviews

Customer photos 0 photos available

No photos available

No reviews yet. Be the first to review this product!

Customer Questions & Answers

0 Was this helpful?

Q: My seedlings stretch a lot early. What should I do?

A: Raise light intensity or lower light distance. Start low stress training in week two to encourage branching.