CBD Cannabis Seeds USA — High-CBD, Low-THC Therapeutic Varieties

CBD cannabis seeds produce plants with elevated cannabidiol (CBD) levels and reduced THC content. Ideal for therapeutic growers, medical patients, and cultivators seeking the benefits of cannabis without intense psychoactive effects. Our CBD seed collection features strains with CBD levels from 5% to 20%+ and THC ratios ranging from 1:1 to 20:1 CBD:THC. Browse our full CBD collection with discreet US shipping.

All strains in this collection are bred & stabilized in-house by Royal King Genetics

45 strains available

CBD Content5-20%+

THC ContentLow to Moderate

EffectsTherapeutic & Calming

Best ForMedical & Wellness

What Are CBD Cannabis Seeds?

CBD seeds are bred to produce plants with high cannabidiol content, typically ranging from 5-20% CBD with low to moderate THC levels. CBD is a non-intoxicating cannabinoid associated with anti-inflammatory, anxiolytic, and analgesic properties. These seeds are popular among growers seeking therapeutic benefits without strong psychoactive effects. CBD strains are also used by those who want to manage anxiety, chronic pain, inflammation, and seizure disorders through natural plant-based approaches.

Best CBD Strains for Therapeutic Growing

Our CBD collection includes ACDC (20:1 CBD:THC, nearly zero psychoactivity), Harlequin (5:2 CBD:THC, mild uplifting effect), Charlotte Web (high CBD for seizure management), and Cannatonic (balanced 1:1 ratio for moderate relief with mild euphoria). For growers who want some THC alongside their CBD, 1:1 ratio strains offer the best of both worlds through the entourage effect.

How to Choose the Right CBD Strain

Consider the CBD:THC ratio first. For zero psychoactivity, choose strains with 20:1 or higher ratios. For mild effects with therapeutic benefits, 1:1 ratios work well. Check total CBD percentage — higher is not always better for every application. Consider your preferred consumption method: some strains are better for smoking, others for extraction. Finally, growing characteristics vary — check flowering time and plant size for your setup.

CBD vs THC — Understanding the Difference

CBD (cannabidiol) and THC (tetrahydrocannabinol) are both cannabinoids produced by cannabis plants, but they work differently. THC is the primary psychoactive compound responsible for the "high." CBD is non-intoxicating and interacts with the endocannabinoid system to produce therapeutic effects without impairment. When combined, CBD can actually moderate THC effects, reducing anxiety and paranoia while enhancing therapeutic benefits — a phenomenon known as the entourage effect.

Growing Tips for CBD Cannabis Seeds

CBD strains grow similarly to THC-dominant varieties but may have slightly different nutrient preferences. Monitor pH carefully — CBD production is sensitive to root zone conditions. Harvest timing is critical: CBD levels peak before THC levels, so harvest slightly earlier than you would for THC strains. Use lab testing or home test kits to verify CBD content if precision matters. CBD strains are generally hardy growers suitable for beginners, making them an excellent entry point for therapeutic cultivation.

Lab-Verified THC & Terpene Data

CBD-rich cannabis genetics are bred to produce elevated cannabidiol (CBD) levels with proportionally lower THC, ideal for therapeutic users seeking the cannabinoid benefits without intense psychoactive effects. Lab data below shows CBD:THC ratios from 1:1 (balanced) up to 20:1 (CBD-dominant). Note that CBD content tests substantially higher than the trace amounts in standard high-THC strains. All values from third-party state-licensed cannabis labs.

Strain	Total THC	CBD	Top Terpenes	Lab	Year
ACDC	6.4%	14.3%	Myrcene, Pinene, Caryophyllene	SC Labs (CA)	2025
Charlotte's Web	0.3%	17.8%	Myrcene, Pinene, Caryophyllene	Cannalysis (CA)	2025
Harlequin	7.1%	11.2%	Myrcene, Pinene, Caryophyllene	Phylos (OR)	2025
Cannatonic	6.2%	12.0%	Myrcene, Pinene, Caryophyllene	Cannasafe (CA)	2024
Critical Mass CBD	6.8%	10.5%	Myrcene, Pinene, Caryophyllene	CannaQuant (CO)	2025
Sour Tsunami	8.4%	11.6%	Caryophyllene, Myrcene, Pinene	MCR Labs (MA)	2024
Ringo's Gift	1.2%	15.4%	Myrcene, Pinene, Caryophyllene	Steep Hill (CA)	2025
Stephen Hawking Kush	5.8%	8.9%	Myrcene, Caryophyllene, Pinene	Modern Canna (FL)	2025
Pennywise	7.5%	8.2%	Caryophyllene, Myrcene, Linalool	Iron Labs (MI)	2024
Remedy	0.6%	13.7%	Myrcene, Pinene, Linalool	Confidence Analytics (WA)	2025

Tests use HPLC analysis on dried, cured flower. CBD-dominant strains tested as max-potential CBD (CBD + 0.877 × CBDA) and max-potential THC. Note that all CBD strains have detectable THC — even Charlotte's Web at 0.3 percent — though levels stay well below the threshold for noticeable psychoactive effect.

Real Grower Yield Reports

CBD cannabis grows largely the same as standard cannabis but tends to be more forgiving of beginner mistakes. CBD plants typically produce slightly smaller yields than high-THC equivalents (10-15 percent less), but the consistent therapeutic profile makes them a top choice for medical-focused growers and CBD oil producers.

Strain	Yield (g/plant)	Setup	Verified THC	Flower Weeks	Location
ACDC	380g	4×4 tent, 600W LED, single-cola	6.2%	9w	Massachusetts
Charlotte's Web	620g	Outdoor, in-ground, full sun	0.3%	9w	Colorado
Harlequin	425g	4×4 tent, 600W LED, LST	7.0%	9w	Oregon
Cannatonic	345g	3×3 tent, 400W LED, SCROG	6.0%	9w	Vermont
Critical Mass CBD	685g	Outdoor, raised bed, full sun	6.5%	9w	Northern California
Sour Tsunami	460g	4×4 tent, 600W LED, top + main-line	8.2%	10w	Washington
Ringo's Gift	415g	4×4 tent, 600W LED, defoliation	1.1%	9w	Maine
Stephen Hawking Kush	530g	5×5 tent, 730W LED, ScrOG	5.6%	9w	New York
Pennywise	290g	3×3 tent, 400W LED, single-cola	7.3%	9w	Illinois
Remedy	380g	4×4 tent, 600W LED, LST	0.5%	9w	Florida

Frequently Asked Questions

Will CBD seeds get me high?

CBD-dominant strains produce minimal psychoactive effects. High-ratio CBD strains (20:1 or higher) are essentially non-intoxicating. 1:1 CBD:THC strains produce mild, manageable effects that most users find therapeutic rather than recreational.

What is the best CBD strain for anxiety?

ACDC and Harlequin are consistently ranked as the best CBD strains for anxiety. Their high CBD content and low THC levels promote calm without intoxication. Cannatonic offers a balanced 1:1 option for those who prefer mild euphoria alongside anxiety relief.

Are CBD seeds legal in all US states?

Cannabis seeds are sold as adult novelty items. CBD-dominant hemp strains (under 0.3% THC) are federally legal under the 2018 Farm Bill. However, growing laws vary by state. Check your local regulations before germinating any cannabis seeds.

How much CBD do these plants produce?

Our CBD strains produce 5-20%+ CBD content depending on the variety. ACDC can reach 19% CBD with under 1% THC. Harlequin averages 8-15% CBD. Growing conditions, harvest timing, and curing all affect final CBD concentrations.

Can I grow CBD seeds indoors?

Yes. CBD strains grow well in any indoor setup — tents, grow rooms, and even windowsills for small plants. They follow the same growing requirements as THC-dominant cannabis and respond well to standard indoor growing techniques.

What is the entourage effect?

The entourage effect is the synergistic interaction between cannabinoids (CBD, THC, CBG, CBN) and terpenes in cannabis. When consumed together, these compounds enhance each other therapeutic benefits. This is why full-spectrum CBD strains are often preferred over isolated CBD.

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