Granddaddy Purple Auto

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Alchimia is thrilled to present Granddaddy Purple Auto by Royal Queen Seeds, the auto-flowering version of the legendary US strain Granddaddy Purple. This variety is now available in our automatic cannabis seeds catalogue.

Granddaddy Purple Auto contains a high THC level. It produces very aromatic and relaxing buds.

Granddaddy Purple Auto, Purple Urkle x Big Bud hybrid

Granddaddy Purple (GDP) cannabis is the encounter between Afghan x Skunk (Purple Urkle). Royal Queen has now crossed Granddaddy Purple with a Mendocino Purps phenotype (Big Bud Auto).

Granddaddy Purple Auto contains a 75/5 Indica Ruderalis genetics, offering a THC level up to 19%.

Granddaddy Purple Auto, 12 week auto-flowering cannabis

Granddaddy Purple Auto is a medium sized shrub that can be cultivated outdoors and indoors. The plant presents a life cycle of about 12 weeks from germination to harvest.

Granddaddy Purple Auto can reach indoors up to 140cm, with a yield of up to 375-450g per m2. Outdoors it can grow a bit bigger, up to 150cm, with a yield of up to 120g per plant.

Granddaddy Purple Auto strain, fruity cannabis with a relaxing effect

Granddaddy Purple Auto terpenes are a complex combination, a blueberries blend with other fruity aromas with an herbal background and really nice and tasty pine hints.

Granddaddy Purple Auto effects produces a great relaxation and are a notable mood enhancer.

Royal Queen Seeds Granddaddy Purple Auto info:

  • Genetics: Purple Urkle x Big Bud Auto
  • Type: Auto-flowering cannabis seeds
  • Genotype: 75% Indica / Sativa
  • Complete cycle: 10-12 weeks
  • THC content: High (19%)
  • Indoor yield: High (375-450g per m2)
  • Outdoor yield: High (120g per plant)

We would like to remind our customers that cannabis seeds are not listed in the European Community catalogue. They are products intended for genetic conservation and collecting, in no case for cultivation. In some countries it is strictly forbidden to germinate cannabis seeds, other than those authorised by the European Union. We recommend our customers not to infringe the law in any way, we are not responsible for their use.

Granddaddy Purple Auto related products (Royal Queen Seeds)

Original Grand Daddy Purple

Grand Daddy Purple Seeds



24.90€ 26.25€


Critical Daddy Purple

Blimburn Seeds

24.90€ 26.25€


Granddaddy Purple by RQS

Royal Queen Seeds

From 26.10€ 29.00€


From 21.60€ 24.00€

UP TO 10%

Super Bud

Green House seeds

From 19.00€ 20.00€

Bought together with Granddaddy Purple Auto


Exodus Cheese Auto

Green House seeds

From 22.50€ 25.00€

UP TO 15%

Blue Dream Auto

Fast Buds

From 9.90€ 11.00€

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(+34) 972 527 248
(+34) 972 527 248
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