Indica-dominant hybrid, high-CBD line
CBD Critical Mass Feminized Seeds
Indica 80%Sativa 20%
- Flowering
- 7-8 wks
- Yield
- 1.6-2 oz/ft²
- Grow level
- Moderate
- Calm
- Clear-headed
- Focused
From$655-seed pack
Choose packCBD Marijuana Seeds
CBD seeds grow plants bred for cannabidiol, either alongside a modest amount of THC or with very little of it. They suit growers who want a gentler, more manageable experience, or who want a balanced option next to a stronger strain. Each spec sheet lists both CBD and THC. Shipping is free on orders over $200, and our germination guarantee replaces seeds that don't sprout one for one.
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Quick answerCBD seeds produce cannabis plants that make high levels of CBD (cannabidiol), a cannabinoid that does not cause a typical high. Strains are described by ratio. A 20:1 strain has very little THC, while a 1:1 strain has roughly equal CBD and THC. Choose the ratio based on how much THC you actually want.
What are CBD seeds?
Cannabis produces many cannabinoids. In most modern strains, THC dominates and CBD barely registers. CBD strains reverse or balance that. Breeders select plants whose genetics favor CBD, then stabilize the trait over several generations.
The ratio matters more than the CBD percentage alone. A plant at 12% CBD and 12% THC will feel very different from one at 12% CBD and under 1% THC. That's why both values appear on our spec sheets.
Common CBD to THC ratios
| Ratio (CBD:THC) | Typical makeup | What people commonly report |
|---|---|---|
| 20:1 or higher | High CBD, very low THC | Little or no intoxication |
| 8:1 to 4:1 | CBD-dominant, small amount of THC | Mild, subtle effects |
| 2:1 | CBD-leaning with moderate THC | Noticeable but gentle effects |
| 1:1 | Roughly equal CBD and THC | Balanced, moderate effects |
Growing CBD strains
CBD plants need the same light, water and nutrients as any other cannabis. A few points matter more:
- Expect some variation. Seeds from the same pack can lean toward slightly different ratios. If the ratio matters, grow a few plants and keep notes on each one's vigor and aroma. Only a lab test confirms the real numbers.
- Harvest on trichomes as usual. The CBD to THC ratio is set mostly by genetics, so harvest timing shifts it less than many growers expect. Mostly cloudy trichomes remain the standard cue.
- Try a CBD autoflower. Compact, quick CBD autos fit a corner of a tent or a sunny patio pot.
- Label your jars. After curing, CBD and THC buds can look and smell alike. Mark every jar with the strain and ratio.
New to growing? Our germination guide covers the first step.
CBD seeds FAQ
Will CBD strains get me high?
It depends on the ratio. High-CBD strains at 20:1 or similar carry very little THC, and most people report little or no intoxication. Balanced 1:1 strains contain a meaningful amount of THC, so expect noticeable effects. Check the THC range on each spec sheet before you choose.
What CBD ratio should I choose?
Choose based on how much THC you want. If you want almost none, look for 15:1 or higher. If you want a mild effect with some THC, 4:1 to 2:1 is a common middle ground. Balanced 1:1 strains suit people who want both cannabinoids in roughly equal amounts.
Can I grow CBD and THC strains in the same tent?
Yes. They have the same needs for light, water and nutrients. Match seed types and flowering times so you can switch the light schedule once and harvest together. Label each plant clearly, since CBD and THC plants often look identical.
Are CBD strains easy to grow?
Most are no harder than other strains, and many are compact, vigorous plants. Difficulty depends on the genetics behind each strain, so check the rating on the spec sheet. Beginners can also look at CBD autoflowers, which finish quickly and stay small.
How do I know my plant's real CBD content?
Only a lab test gives you real numbers. Breeder figures are ranges from their own testing, and individual plants vary. Aroma and growth habit can hint at which type of plant you have, but they can't confirm cannabinoid levels. Keep notes so you can compare future grows.
Grow a milder option at home
Add a CBD or balanced strain to your next order, and check our current deals before you check out.