Grandaddy Purple Feminized Seeds (Blimburn Seeds)

Grandaddy Purple: Potent Indica-dominant strain with THC levels in the high 20s. Delivers immediate relief from pain and anxiety with delightful flavors of wild berries and grape juice. Ideal for growers seeking impressive harvests indoors and outdoors.


Grandaddy Purple (GDP) is an award-winning strain renowned for its high potency and therapeutic effects. With THC levels in the high 20s, this strain offers a powerful experience sought after by both recreational and medicinal users.

Brand Blimburn Seeds
Type of seeds Feminized
Type of seeds Photoperiod
Suitable for growing Indoor, Outdoor
Effect Mental explosion
Genetics Purple Urkle x BigBud
Harvest 500 g/m² indoors, 450 – 500 g/plant outdoors
Indoor flowering time 60 – 65 days
Outdoor finish Late September
% Sativa/Indica/Ruderalis Indica dominant
THC 25%
CBD 0.3%

Strain Info:

Grandaddy Purple is celebrated for its stunning purple hues, delightful flavors, and robust effects. Originating in California, it gained popularity after its introduction in 2003. The strain is a cross between Purple Urkle and Big Bud, combining their best attributes for a truly exceptional cannabis experience.


The genetic lineage of Grandaddy Purple consists of two legendary phenotypes: Purple Urkle and Big Bud. This combination imparts the strain with its potent effects and delicious flavors, making it a favorite among cannabis enthusiasts.

Flowering Time:

When grown indoors, Grandaddy Purple typically has a flowering time of 60-65 days. For outdoor cultivation, expect the strain to flower around October, providing ample time for a bountiful harvest.


Grandaddy Purple is known for its impressive yields, especially considering its Indica-dominant nature. Indoors, growers can expect harvests of 450-500g/m2 of dense, resin-covered flowers. Outdoors, each plant can produce up to 500g of top-quality buds.


The effects of Grandaddy Purple are profound and immediate. With aromas reminiscent of wild berries and fermenting grape juice, the strain tantalizes the senses before delivering potent relief from pain, anxiety, and negative thoughts. One puff is all it takes to experience its full-body relaxation and euphoria.

THC and CBD Levels:

Grandaddy Purple boasts THC levels exceeding 25%, making it one of the most potent strains available. Additionally, it contains approximately 0.3% CBD, enhancing its medicinal properties and providing additional therapeutic benefits.

Smell and Taste:

The terpene profile of Grandaddy Purple is as captivating as its effects. With flavors reminiscent of wine grapes and wild berries, it offers a sophisticated yet sweet taste that delights the palate with every inhale.

Grow Tips:

Due to its Indica-leaning genetics, Grandaddy Purple tends to grow short, bushy plants with dense internode spacing. This makes it ideal for growers with limited space. Beginners will appreciate its ease of cultivation, while experienced growers can maximize yields with proper humidity and temperature control.

Grandaddy Purple Seeds:

Feminized Grandaddy Purple seeds are essential additions to any grower’s collection. Whether for recreational or medicinal use, these seeds promise a rewarding cultivation experience and potent, flavorful buds. Get started with Grandaddy Purple today by purchasing your seeds online from Herbies Seeds.


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