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Runtz 13
G13 Labs

Runtz 13

Gelato x Zkittlez
THC, Photoperiod, Feminized
Summary
Details
Cultivation
About G13 Labs
Runtz 13 by G13 Labs is a hybrid cannabis strain that is a cross between the popular strains Gelato x Zkittlez. This strain is known for its fruity aroma and flavor profile, with hints of grape, berry, and citrus. The buds of Runtz 13 are dense and covered in trichomes, giving them a frosted appearance.

The effects of Runtz 13 are typically described as a balanced blend of euphoria and relaxation, with a strong body high and a sense of calm. This strain is known to be potent, with a high THC content that can reach up to 29%. Due to its strong effects, it is recommended that users consume Runtz 13 in moderation.

Overall, Runtz 13 is a popular strain among cannabis enthusiasts for its unique flavor and potent effects, making it a great choice for both recreational and medicinal use.
Flowering
Photoperiod
Photoperiod
Full Term
Sex
Feminized
Variety
Hybrid
Genetics
Gelato X Zkittlez
THC Levels
High
CBD Levels
Low
Environment
Indoor, Outdoor, Greenhouse
Flowering Time
Short
Indoor Flowering
9-10 weeks
THC %
20 %
CBD %
<1 %
Indoor Yield
450-550 g/m2
Outdoor Yield
600 g/plant
Effects
Creative, Euphoric, Focused, Potent, Relaxing, Uplifting
Aroma & Flavors
Berry, Citrus, Fruit, Grape
Harvest Month
October (NH) | April (SH)

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.