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SOUTH AFRICA NO. #1 SEEDBANK

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G13 Labs

C99

Photoperiod
Feminized
THC
Summary
Details
Cultivation
About G13 Labs
Flowering Time
Short
Indoor Flowering
8-9 weeks
THC %
12-15 %
CBD %
<1 %
Indoor Yield
500 g/m2
Outdoor Yield
750 g/plant
Effects
Energetic, Relaxing, Uplifting
Aroma & Flavors
Apple, Citrus, Fruit, Pine, Pineapple

G13 Labs


G13 Labs began with veteran breeders in late–1980s Northern England and later relocated to Spain, where they matured into a respected global seed brand. Their heritage includes the award-winning Granddaddy Purple strain—bred by Ken Estes in California in 2003, a legendary indica known for its grape berries aroma and relaxing effects.

Today, G13 Labs offers a refined lineup of feminized cannabis strains known for fast flowering, robust yields, resin-rich buds, and distinctive terpene profiles. They balance classic genetics with modern breeding techniques to deliver consistency and performance for both home growers and connoisseurs.

Committed to sustainable and organic practices, G13 Labs supports South African growers with elite genetics that are easy to cultivate, medically relevant, and packed with potency. Overgrow is proud to stock these reliable, flavor-forward seeds from this legendary seed bank.

Environment
Indoor, Outdoor, Greenhouse
Harvest Month
September (NH) | March (SH)
Yield
Average
Flowering
Photoperiod
Photoperiod
Full Term
Sex
Feminized
Variety
Sativa-dominant
THC Levels
Medium
CBD Levels
Low
G13 Labs Seeds C99 is a popular hybrid strain that boasts a sweet and fruity aroma and energizing effects. This strain is a cross between Cinderella 99 and an unknown Sativa strain, and it inherits some of the best traits from both parents. C99 is known for its high yield, making it a favorite among growers. When smoked, C99 provides an uplifting and energizing high, making it a great choice for daytime use. This strain is also known for its sweet and fruity aroma, with notes of pineapple and tropical fruit. Overall, G13 Labs Seeds C99 is a high-quality hybrid strain that offers an enjoyable smoking experience with energizing effects and a delicious aroma.