Cosmos F1 CBD Auto is a milestone: Royal Queen Seeds presents her as the world’s first F1 CBD cannabis variety. She is also the largest autoflower in its F1 range, with a tall, Christmas-tree silhouette and bright green foliage that show off classic sativa character.
Her genetics trace back to a CBD-rich strain from Oregon, refined into a pure inbred line. Through F1 breeding she gains hybrid vigor (heterosis): every plant grows to the same height and develops the same tall, elongated structure, with impressive consistency across the crop.
Cosmos carries the highest CBD concentration in Royal Queen Seeds’ F1 selection, rated very high, while THC stays around 0.5%. The result is a non-intoxicating experience. Plants reach 2 to 3 feet (61–91 cm) and hold an XXL yield rating.
As an autoflower, she enters bloom on her own under 18/6 or 20/4, with no 12/12 switch. Flowering takes 45 to 55 days (about 6.5 to 8 weeks), and harvest arrives 75 to 85 days (about 11 to 12 weeks) after sprouting, typically near day 80.
Pine, Pepper and a Clear, Meditative Mood
Cosmos has a refreshing nose that blends crisp pine with a creamy, cookie-like richness and an unmistakable peppery bite. It is a surprising depth of flavor for a CBD-dominant plant.
Royal Queen Seeds lists farnesene, limonene, myrcene and pinene as the major terpenes, with caryophyllene also present. Combined with very high CBD and minimal THC, the effect is clear and meditative: the body feels relaxed while the mind stays functional and focused.
She suits daytime sessions, quiet reflection or long walks, any moment where you want calm without losing your clarity.
Growing Cosmos F1 CBD Auto: Sativa Structure, F1 Strength
Cosmos is the tallest of the F1 autos, so give her vertical room and a container large enough for a strong root system. Sow directly into the final pot to avoid transplant setbacks. Light LST in the first weeks can tame her central cola and spread bud sites across the canopy.
Her many branches fill with long, wispy, sativa-style flowers as harvest nears. Keep airflow steady, and feed moderately; sativa-leaning plants usually prefer a lighter touch.
Outdoors, Royal Queen Seeds rates her for short summers. With an 11 to 12 week cycle, two harvests per season are possible in many US regions.
Cosmos F1 CBD Auto Characteristics
| Strain type | Autoflowering F1 hybrid (feminized) |
| Genetics | CBD Oregon (pure inbred line) |
| Indica/Sativa | Sativa structure |
| THC | 0.5% |
| CBD | Very high |
| Effect | Clear, focus, meditative |
| Flavor | Cookie, pepper, pine |
| Indoor yield | XXL (Royal Queen Seeds rating) |
| Seed to harvest | 75–85 days (11 to 12 weeks); flowering 45–55 days (6.5 to 8 weeks) |
| Outdoor harvest | About 11.5 weeks after sprouting; two runs possible per season |
| Height | 2 to 3 feet (61–91 cm) |
| Climate | Suited to short summers |
| Best cultivation technique | Low-stress training (LST), 18/6 or 20/4 light schedule |
FAQ
How much THC and CBD does Cosmos F1 contain?
Royal Queen Seeds lists THC at about 0.5% and CBD as very high, the highest in its F1 selection.
Does Cosmos F1 get you high?
With very little THC, she offers a clear, non-intoxicating experience that relaxes the body and keeps the mind focused.
How long does Cosmos F1 take to grow?
About 75 to 85 days (11 to 12 weeks) after sprouting, with 45 to 55 days of flowering.
How tall does Cosmos F1 CBD Auto grow?
She reaches 2 to 3 feet (61–91 cm) and is the largest autoflower in Royal Queen Seeds’ F1 range.
What does Cosmos F1 taste like?
Crisp pine, a creamy cookie note and a peppery bite.
Where do the genetics of Cosmos F1 come from?
She descends from a pure inbred line of a CBD-rich Oregon strain.
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