Grandaddy Black

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Original Sensible Seeds Grandaddy Black – High-Yield Purple Indica Seeds with Grape Terpenes & Powerful Relaxing Effects

Original Sensible Seeds Grandaddy Black combines the legendary purple colours and sweet grape character of Grandaddy Purple with the heavy resin production and powerful indica influence of Black Domina. The result is a high-yielding purple indica strain known for dense flowers, exceptional outdoor performance, and deeply relaxing effects.

Its combination of dense bud formation, strong branch support, and reliable finishing times has made Grandaddy Black particularly attractive to growers looking for productive indica cannabis seeds with premium visual appeal.

Flavor & Aroma

Grandaddy Black develops a rich terpene profile filled with sweet grape, dark berries, earthy spice, and subtle herbal notes. As flowering progresses, the aroma becomes increasingly intense while maintaining the classic fruit-forward character associated with elite purple cannabis genetics.

Dominant terpenes include myrcene, caryophyllene, and pinene.

Effects

Original Sensible Seeds Grandaddy Black delivers powerful relaxing indica effects that begin with a calming sense of physical comfort before gradually developing into deep body relaxation and long-lasting tranquillity.

The heavy indica influence makes Grandaddy Black especially attractive to growers searching for evening cannabis strains with strong physical effects and classic couch-lock potential.

Grow Info

Grandaddy Black develops a compact but highly productive structure with thick branches capable of supporting exceptionally dense flowers. Plants produce heavy resin-coated buds with excellent bag appeal and strong trichome coverage throughout flowering.

Indoor flowering generally finishes within approximately 60–65 days with generous yields of dense, high-quality flowers. Outdoors, Grandaddy Black performs exceptionally well across a wide range of climates, typically finishing between late September and early October.

Under favourable outdoor conditions, plants are capable of producing extremely large harvests, with experienced growers reporting exceptional yields from fully matured specimens. The strong structure, dense flower stacking, and reliable finishing time make Grandaddy Black particularly attractive to growers searching for high-yield indica seeds suitable for both indoor and outdoor cultivation.

Why Choose Original Sensible Seeds Grandaddy Black?

Original Sensible Seeds Grandaddy Black combines authentic Grandaddy Purple heritage, powerful Black Domina genetics, sweet grape terpenes, and exceptional flower production into a premium purple indica strain.

Key facts

• Seed type: Feminized Photoperiod
• Genetics: Grandaddy Purple, Black Domina
• THC: 23.00%
• Indica/Sativa: 95% Indica, 5% Sativa
• Flowering: 60 – 65 days
• Height: Indoor: 90-140cm, Outdoor: 120-180cm
• Yield: Out: 800 – Per Plant, In: 600 – M2
• Climate: Hot & Temperate
• Terpenes: Dom. Terpene: Myrcene, Other: Caryophyllene, Pinene

Cannabis seeds are sold as collectors’ items and for preserving genetics. Please check the law in your country before germinating.

Sold and shipped by Original Sensible Seeds (Spain). Seeds ship worldwide. Prices are set by the shop and you complete your purchase on their website. Adults only.