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C99 by Female Seeds


Average rating: 3.8 (4× ratings)

It was one of the first strains in Female Seeds that was launched at the birth of Female Seeds in 2003. But Ferry actually first started working on this strain back in 1999 and the first batch he produced of this amazing variety were regular seeds for a different seedbank. Years of experimenting with the original Brothers Grimm C99 led to the creation of their very own C99. The origins are difficult to establish, but it was a long flowering Sweet Tai landrace crossed with a short-flowering sativa. Most likely, the Durban Poison.

The current batch Female Seeds is selling was backcrossed to stabilize the genetics with two specially selected C99 phenotypes, a Grapefruit and the legendary Pineapple pheno. The result is the holy grail of cannabis strains, a fast-flowering sativa that has the taste and character of an exceptionally sweet landrace sativa. A landrace that would normally take up to a half a year of flowering. Yet their C99 flowers in just 8 to 9 weeks. The C99 has an unusually high CBD content for a sativa strain. It actually resulted in a new chemotype, CBD-sativa.

The C99 does not stretch too much and grows like a dream, very vigorous. If you really want to maximize your effort, the Female Seeds experts suggest you veg the C99 for four weeks. Outdoors it stretches more than average in the flowering stage reaching a height of between 2 to 3 metres. They were even able to harvest from seeds sown in December in front of the kitchen window.

This C99 is a sativa-dominant hybrid and has 2 phenos. One is slightly more compact and the other stretches slightly more. Yet both have that exceptional fruity taste and smell. The C99 forms giant, sativa style candle shaped buds that are very dense and frosty with resin.

Topping this strain or LST is not a problem for the C99. C99 is also a great strain for outdoors finishing mid-October in more temperate and warmer climates. The C99 is very mold resistant outdoors due to its bud structure. Therefore high humidity is not an issue for the C99. Female Seeds would recommend using organic nutrients to get the full aroma and flavor.

The taste and aroma is very fruity. One phenotype has that wonderful grapefruit aroma. The other phenotype has that legendary, sought-after pineapple aroma. On the whole, a very nice balanced taste between fruity sweet and pleasantly acidic.



  • neuropathic pain management (class A)
  • relief of symptoms for Crohn’s disease and Colitis Ulcerosa (Class A)
  • relief of symptoms of insomnia (Class B)
  • relief of symptoms of spasms and MS due to its CBD content (Class C)

Fundamental parameters

Information about the origin and the life cycles of plants

Mostly Sativa
Indoor flowering time
8–9 weeks
C99 x C99
sweet and fruity smell of pineapple and grapefruit
Plant height
Indoor: 80–100 cm | Outdoor: 150–200 cm
Female Seeds


What difficulties can help this variety



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