- Type
- Indica dominant
- Heritage
- mostly indica
- THC
- 20.0%
- Flowering
- 70 days
- Seeds
- feminized
- Feminized
- yes
- Autoflowering
- yes
- Indoor yield
- 450 gr
Genetics
About this release
Granddaddy Purple Autoflower Seeds from ILGM (I Love Growing Marijuana). GDP Autoflower is a mostly indica autoflowering cross of Purple Urkle × Big Bud with ruderalis, delivering the iconic deep-purple colouration, grape-berry profile, and powerful indica effects of the original without a photoperiod requirement.
Genotype: Mostly Indica
THC: 20%
Type: Feminized, Autoflower, Indica
Flowering: 70 days from seed
Height: Short-Medium
Yield (indoor): 450 gr/m²
Difficulty: Easy
Lineage: Purple Urkle x Big Bud x Ruderalis Terpenes & Taste
Myrcene, Caryophyllene, and Pinene produce the classic GDP profile: rich grape and mixed berry on the nose, with an earthy sweetness carrying through to the exhale. Purple phenotypes are common under cooler temperatures in the final flowering weeks. Effect Profile
Deep body relaxation with euphoric mood lift. At 20% THC, the mostly indica structure delivers sustained physical ease and sedation. Evening use. The Big Bud genetics contribute to yields above average for an autoflower, while Purple Urkle drives the flavour and colour characteristics. Cultivation Notes
Autoflowering feminized — no light schedule required. Compact structure. Indoor yield: 450 gr/m². Full cycle approximately 70 days from seed. Cooler temperatures in final weeks enhance purple expression. Difficulty: Easy