GrandDaddy Purple

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Basic infos

GrandDaddy Purple is an mostly indica from Barneys Farm and can be cultivated indoors and outdoors (Where the plants will need a flowering time of ±63 days) Barneys Farm's GrandDaddy Purple is only available as feminized seeds.

Barneys Farm Description

GrandDaddy Purple is born from the union of Purple Urkle and Big Bud, resulting in a 70% indica / 30% sativa hybrid that captures the finest traits of both lineages. From Purple Urkle, it inherits its signature deep violet hues, luscious fruity bouquet, and deeply soothing body high. Big Bud contributes its legendary productivity, forming exceptionally dense, oversized flowers drenched in resin and blanketed in a thick layer of sparkling trichomes.

Grown indoors, GrandDaddy Purple completes flowering within 55–65 days (around 8–9 weeks) and can yield up to 600 g/m² under optimal conditions. Its naturally compact, bushy frame typically stays around 100 cm tall, making it ideal for rooms with limited vertical space. The plant reacts positively to training methods such as LST and topping, improving light penetration and maximizing production. During the final weeks of bloom, support stakes are recommended to handle the weight of its heavy buds, along with careful humidity management to avoid mold issues. Lowering nighttime temperatures toward harvest encourages the development of its striking purple shades. Cultivating in rich super soil with organic nutrients further enhances both flavor complexity and color expression.

Outdoors, plants can stretch up to 180 cm and deliver harvests reaching 1,000 g per plant in favorable conditions. Outdoor growers can expect to harvest between mid and late October, making it well-suited to southern European regions with relatively mild autumn weather.

The aromatic profile centers on sweet grape and ripe berries, layered with subtle spicy and pungent undertones that add depth. On the inhale, rich grape sweetness dominates, supported by earthy nuances and a lingering herbal finish that reflects its indica heritage.

The effects are profoundly physical and tranquilizing. A wave of muscle-melting relaxation sets in quickly, accompanied by an uplifting, dreamy euphoria that gradually transitions into a powerful couch-lock. Due to its potency, GrandDaddy Purple is best reserved for evenings or nighttime sessions and is particularly appreciated by experienced consumers.

• Seed Type: Feminized 
• Seed Bank: Barneys Farm 
• THC Level: High (15–25%) 
• Genotype: Indica-dominant (+60%) 
• Flavor Profile: Fruity, Sweet, Earthy 
• Effect: Relaxing 
• Indoor Flowering: Fast (under 9 weeks) 
• Indoor Yield: High (500–600 g/m²) 
• Outdoor Yield: High (400–1000 g/plant) 
• Outdoor Harvest: Autumn 
• Genetics: Purple Urkle × Big Bud