Royal Cookies Auto brings gourmet dessert cannabis to growers who do not want to wait. Royal Queen Seeds combined Girl Scout Cookies heritage with ruderalis to create an autoflower that keeps the signature biscuit aroma and dense, sticky buds of the Cookies line while finishing in roughly 10 to 12 weeks from seed.
Her genetic split is 60% indica, 20% sativa and 20% ruderalis, and her THC climbs up to 18%, impressive numbers for an autoflowering strain. CBD stays low, so the high is clear and full-flavored.
Unlike many compact autos, she grows with some ambition. Indoors, plants reach 2 to 3 feet (60–90 cm) and can produce 11 to 16 oz/m² (310–455 g/m²). Outdoors she reaches 3 to 5 feet (90–150 cm) and delivers 4 to 6 oz/plant (115–170 g/plant).
Because flowering is triggered by age instead of day length, growers in warm regions can start several rounds between spring and fall and keep the cookie jar full all season.
Flavor and Effects of Royal Cookies Auto
Crack open a bud and the classic Cookies bouquet rolls out: sweet, candy-like dough with a biscuit edge, backed by earthy and fruity undertones. A subtle hint of mint lingers on the exhale, a nod to the original recipe.
The effect lands fast. A euphoric, contented glow comes first, then a calming heaviness settles into the body and holds for hours. It feels like leaning back after a big holiday dinner when dessert has just hit the table: satisfied, slow and smiling.
This is an after-dinner auto for winding down the evening, not a wake-and-bake choice.
Growing Royal Cookies Auto Seeds
Royal Cookies Auto is a natural fit for the Sea of Green method. Fill a tent with several plants in medium containers, run 18/6 or 20/4 lighting the whole way through, and let each plant build a chunky main cola. No light switch is needed; she enters bloom on her own and spends about 50 to 60 days (roughly 7 to 8.5 weeks) flowering.
Outdoors she thrives in places with long, hot summers, though heat during a shorter season also works. Sow directly into the final pot or bed, keep feeding moderate, and use soft LST rather than topping to open up the canopy without slowing her down.
Royal Cookies Auto Characteristics
| Strain type | Autoflowering (feminized) |
| Genetics | Girl Scout Cookies x Ruderalis |
| Indica/Sativa | 60% Indica / 20% Sativa / 20% Ruderalis |
| THC | Up to 18% |
| CBD | Low |
| Effect | Calming, euphoric |
| Flavor | Candy, earthy, fruity |
| Indoor yield | 11 to 16 oz/m² (310–455 g/m²) |
| Outdoor yield | 4 to 6 oz/plant (115–170 g/plant) |
| Seed to harvest | 70–85 days after germination (about 10–12 weeks); flowering 50–60 days |
| Height | Indoor 2 to 3 feet (60–90 cm); outdoor 3 to 5 feet (90–150 cm) |
| Climate | Suits long summers |
| Best cultivation technique | SOG, gentle LST |







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