The Leaf Index
Vol. IA field guide to cannabis cultivarsleafly.cc
No. 8331Indica

Grand Daddy Purple

Purple Urkle × Big Bud

Grand Daddy Purple (GDP) is a well-known indica-dominant cultivar from the early 2000s West Coast. It is celebrated for its striking purple coloration, dense flowers, and deeply relaxing effects, making it a popular choice for evening use.

EffectsSedating Relaxing Appetite Stimulation Sleep Support
May help withStress
AromaGrapeBerryEarthyFloralPineCandyOrange

Appearance

Grand Daddy Purple is distinguished by its vibrant violet and indigo hues, a result of anthocyanin pigments that intensify under cooler temperatures. The flowers are typically compact and dense, featuring a high calyx-to-leaf ratio and a generous coating of resin. Contrasting orange pistils and a silvery-white trichome layer contribute to its distinctive bag appeal.

Aroma & Flavor

The aroma of Grand Daddy Purple is prominently characterized by notes of grape and berry, often likened to grape candy or soda. Underlying earthy tones and a subtle skunkiness are also present. Upon closer inspection, brighter hints of pine and floral notes can emerge. The flavor profile generally mirrors the aroma, offering a sweet, fruity taste with a lingering grape finish, complemented by earthy and sometimes spicy undertones.

Effects

Grand Daddy Purple is primarily known for its sedating and full-body effects. Consumers often turn to this strain for relaxation, appetite stimulation, and support with sleep. Its indica-dominant heritage contributes to a calming experience that is well-suited for unwinding, particularly in the evening.

Terpenes & Cannabinoids

While specific percentages vary, Grand Daddy Purple typically exhibits THC levels ranging from 15-25%, with minimal CBD content. The terpene profile commonly includes Caryophyllene, Linalool, Pinene, and Humulene, which contribute to its distinct aroma and effects. Terpene content can range from 1.5 to 2.5 percent by weight.

Growing

GDP is a vigorous plant that performs well in controlled environments, rewarding growers with dense colas. Indoor flowering typically concludes within 8 to 10 weeks. Outdoor harvests in suitable climates are usually ready from late September to early October. The strain benefits from careful cultivation to maximize its visual appeal and dense flower structure.

Origins & Lineage

Grand Daddy Purple is widely attributed to breeder Ken Estes, who introduced it in the San Francisco Bay Area around 2003. It is commonly believed to be a cross between the Purple Urkle and Big Bud strains. Purple Urkle is thought to contribute its deep coloration and relaxing qualities, while Big Bud is credited with enhancing yield and flower density.

Frequently asked questions

What are the primary effects of Grand Daddy Purple?
Grand Daddy Purple is known for its deeply relaxing and sedating effects, often leading to a full-body calm.
What is the typical THC content of Grand Daddy Purple?
THC levels in Grand Daddy Purple usually range from 15% to 25%, though some optimized grows may exceed this.
What flavors and aromas are associated with Grand Daddy Purple?
It is recognized for its distinct grape and berry aromas and flavors, often described as grape candy or grape soda, with earthy undertones.
What is the reported lineage of Grand Daddy Purple?
Grand Daddy Purple is commonly said to be a hybrid cross between Purple Urkle and Big Bud.