
Harlequin Seeds
Premium CBD Genetics, Rare Sativa Balance, Ready to Grow
Harlequin stands apart in the high-CBD seed market with a 10–15% CBD to THC ratio that tops out at just 7% — a combination that's genuinely difficult to source in verified, stable genetics. Rooted in a four-way cross of Colombian Gold, Thai Sativa, Nepali Indica, and Swiss Sativa, these seeds carry a lineage that serious CBD-focused growers actively seek out. Available from Homegrown Cannabis Co, ILGM, and Growers Choice Seeds, feminized seeds of this strain are in consistent demand and stock can be limited.
Harlequin Seeds — Quick Specs
| Attribute | Value |
|---|---|
| Strain Type | 75% Sativa / 25% Indica |
| THC Content | Up to 7% |
| CBD Content | 10–15% |
| Flowering Time | 7–9 weeks |
| Indoor Yield | 400–500g/m² |
| Outdoor Yield | 600g/plant |
| Growing Difficulty | Intermediate |
| Seed Type Available | Feminized |
| Lineage | Colombian Gold × Thai Sativa × Nepali Indica × Swiss Sativa |
Harlequin Seeds — Frequently Asked Questions
What THC level can I expect from Harlequin seeds?
Harlequin seeds produce plants with THC levels that top out at around 7% — intentionally low by design. This strain was developed to prioritize CBD expression over psychoactive potency, and that ratio is a defining characteristic of the genetics. If you're buying Harlequin specifically for its CBD-dominant profile, the low THC is a feature, not a limitation. Buyers looking for high-THC output should look elsewhere — this strain is purpose-built for a different market segment.
How much CBD does Harlequin contain?
Harlequin consistently produces CBD levels in the 10–15% range, which places it among the higher-CBD photoperiod strains currently available from mainstream seedbanks. That said, CBD expression in multi-parent crosses like this one — Colombian Gold, Thai Sativa, Nepali Indica, and Swiss Sativa — can vary between individual plants and seed batches. Medical buyers or those purchasing for specific CBD applications should look for seedbanks like Growers Choice Seeds that offer documented germination guarantees and source from verified breeders, as genetic consistency is more critical with high-CBD seeds than with standard THC varieties.
Is Harlequin a good strain for beginner growers?
Harlequin is rated intermediate difficulty, which means it's not the most forgiving first-time grow. The four-way sativa-dominant lineage adds variability that beginners may find harder to manage compared to simpler two-parent strains. From a buying standpoint, if you're newer to growing and set on this strain, purchasing from a seedbank with a strong germination guarantee — Growers Choice Seeds offers a 90% pledge — reduces your risk exposure. Buying a smaller starter pack rather than a bulk order also makes sense until you've confirmed how the genetics perform in your specific setup. Experienced intermediate growers will find the outdoor seeds format particularly rewarding given the 600g/plant yield ceiling.
Where can I buy Harlequin seeds online?
Harlequin seeds for sale are currently available through four seedbanks: Homegrown Cannabis Co, ILGM, Growers Choice Seeds, and Pacific Seed Bank. All four carry the feminized format. ILGM and Homegrown Cannabis Co are the most established options for US buyers and both offer stealth shipping with multi-pack discounts. Growers Choice Seeds is the standout option if a germination guarantee is your priority. Pacific Seed Bank fills in availability gaps when the others are sold out. Prices and pack sizes vary between seedbanks, so it's worth checking all four before purchasing — especially if you're buying in bulk or timing a purchase around a seasonal promotion.
Where to Buy Harlequin Seeds
| Seedbank | Seed Types | Review | |
|---|---|---|---|
| Homegrown Cannabis CO | Feminized | Read Review | Buy Seeds |
| ILGM | Feminized | Read Review | Buy Seeds |
| Growers Choice Seeds | Feminized | Read Review | Buy Seeds |
| Pacific Seed Bank | Feminized | Read Review | Buy Seeds |