Granddaddy Purple – Double Seeds


Introduction:

Granddaddy Purple by Double Seeds is a legendary indica-dominant strain that brings together the best traits of its renowned parents, Big Bud and Purple Urkle. Known for its striking purple hues, thick resin-coated buds, and rich grape and berry aroma, this feminised autoflowering variety delivers a deeply relaxing and euphoric experience. Ideal for unwinding at the end of the day, Granddaddy Purple is as therapeutic as it is visually impressive.


Strain Information:

Strain Name: Granddaddy Purple

Strain Breeder: Double Seeds

Lineage: Big Bud × Purple Urkle

Genetics: Mostly Indica

Seed Type: Feminised Autoflowering

Flowering Type: Autoflowering

Flowering Time: Approx. 63 days from seed to harvest

Effect: Euphoric, deeply relaxing, full-body calm

Aroma: Sweet grape with earthy undertones

Taste: Berry-forward with hints of grape and spice

Height: Medium

Yield: Indoors: up to 500 g/m² | Outdoors: up to 200 g/plant


Strain Description:

Granddaddy Purple, often affectionately called “GDP,” is a visually stunning and flavour-rich autoflowering strain with THC levels ranging from 20–23%. Its buds are oversized, dense, and encrusted with sparkling trichomes, often displaying deep purple shades thanks to its Purple Urkle heritage. The high comes on quickly, delivering a powerful wave of mental euphoria followed by tranquil, full-body relaxation that makes it ideal for stress relief, sleep support, or simply switching off after a long day.


Growing Information:

GDP Auto is easy to manage and flourishes in a range of environments. Indoors, it yields up to 500 g/m², while outdoors it can produce around 200 g per plant. Its compact structure and medium height make it suitable for small grow spaces or discreet outdoor spots. The plant completes its life cycle in approximately 9 weeks from seed, making it an excellent option for growers seeking fast results without compromising on quality or visual appeal. It responds well to basic training techniques and maintains a strong central cola.


Strain Flavour and Aromas:

Granddaddy Purple’s terpene profile is a delight for the senses. Its aroma is rich with ripe grape and subtle earthy tones, while the flavour follows through with sweet berry notes and a smooth, fruity finish. Hints of spice and floral complexity round out the taste. Terpenes like myrcene (relaxing and fruity), pinene (fresh and grounding), and caryophyllene (warm and peppery) likely play a role in its effects and aromatic experience.


Strain Lineage:

GDP is a combination of two cannabis icons: Big Bud, known for its enormous yields and dense bud structure, and Purple Urkle, famed for its deep purple colouring and rich grape aroma. Together, they create a strain that’s as stunning to look at as it is to enjoy, delivering robust yields, calming effects, and an unforgettable terpene profile.


Strain Summary:

Granddaddy Purple by Double Seeds is a beautifully balanced, indica-dominant autoflower offering rich grape-berry flavour, striking purple visuals, and a powerfully relaxing high. Perfect for evening use or therapeutic relief, GDP Auto is a dependable strain for growers and users alike who appreciate flavour, aesthetics, and deeply calming effects in one well-rounded package.


Disclaimer: All seeds sold at Breeders Collective are strictly intended as souvenirs and for preservation purposes. We do not condone or encourage breaking any laws regarding cannabis. It is your responsibility to research and adhere to the laws in your jurisdiction regarding the purchase, possession, and use of cannabis seeds.