Granddaddy Purple

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Basic infos

Granddaddy Purple is an mostly indica from Zamnesia and can be cultivated indoors and outdoors (Where the plants will need a flowering time of ±67 days) Zamnesia's Granddaddy Purple is only available as feminized seeds.

Zamnesia Description

Granddaddy Purple is the progeny of Purple Urkle and Purple Kush, and, as the name suggests, the plants often develop beautiful purple hues. They are easy to grow, offer a moderate THC content, and produce deeply relaxing effects with an almost meditative quality. As the cherry on top, Granddaddy Purple features a classic flavour profile reminiscent of traditional Hindu Kush landraces.

At 22% THC, this variety offers plenty of potency. For those seeking an even stronger option, Granddaddy Purple from Blimburn Seeds reaches 25% THC, although no flowering time or yield figures are provided. Granddaddy Purple is also included in the Classic Legends Pack - Feminized Strains, alongside Trainwreck and Critical Mass.

Granddaddy Purple Autoflower
Granddaddy Purple Autoflower reduces the growing cycle to approximately 9–10 weeks. Its offspring, Purple Punch, doubles down on the dessert-like flavour profile. Granddaddy Purple also features on our list of the Top 10 Purple Strains.

Growing Granddaddy Purple
This indica-dominant strain has an average flowering period of 9–10 weeks indoors and is ready for harvest around mid-October outdoors. Thanks to its genetics, it can tolerate cooler temperatures, making it a suitable option for a wide variety of growers. Cooler conditions can also stimulate the production of anthocyanins, the flavonoid pigments responsible for the strain’s purple colouration.

Indoors, Granddaddy Purple can produce up to 500g/m², while outdoor plants can deliver similarly high yields. The plants typically reach a height of around 90cm indoors and 120cm outdoors.

Flavour, Aroma and Effects
With up to 22% THC, Granddaddy Purple is a highly relaxing strain that may induce a serene, meditative state. Its sweet, earthy and fruity flavours create a tasty and comforting experience reminiscent of classic cannabis varieties. Overall, it is a delightful strain suited to both new and experienced cannabis users.

Granddaddy Purple (Zamnesia Seeds) Feminized Data Sheet
Brand: Zamnesia Seeds
Terpenes: Ocimene, Myrcene
Suitable for: Indoor, Outdoor
Growing difficulty: Easy
Parents: Granddaddy Purple x Purple Kush (Purple Urkle x Big Bud)
Genetics: 70% Indica / 30% Sativa
THC: 22%
CBD: Low
Flowering type: Photoperiod
Sex: Feminized
Flowering time: 9–10 weeks
Height indoors: 90cm
Height outdoors: 120cm
Indoor yield: Up to 500g/m²
Outdoor yield: High
Climate suitability: Continental, Temperate
Resilience: Cold-resistant
Taste / Aroma: Sweet, Earthy, Fruity
Effects: Relaxing

*Specified by the breeder when grown under ideal circumstances.