Granddaddy Purple (GDP)

Created in 2003 by Ken Estes in San Francisco Bay Area. Cross between Purple Urkle (deep purple coloration, grape-berry aromatics from Mendocino Purps/Afghani lineage) and Big Bud (massive flower structure, resin production). Alternative lineage references Mendo Purps, Skunk, Afghan genetics. Won multiple competitions including Green Cup 2004-2006 and 2015 High Times Cannabis Cup Best U.S. Indica.

Myrcene (dominant terpene contributing grape, berry, earthy, musky notes and relaxing properties)

Beta-caryophyllene (spicy, peppery complexity); Alpha-pinene (fresh, woody, pine undertones); Linalool (floral, lavender-like); Humulene (hoppy, earthy); Limonene (citrus). Note: Exact percentages vary significantly by cultivator, harvest timing, curing, and batch genetics.

THC: 17-27% (most batches 20-23%); CBD: <1%; Minor cannabinoids (CBG) in trace amounts; High THC-to-CBD ratio produces powerful psychoactive effects and physical relaxation; Potency varies by genetics, growing conditions, and phenotype.

Onset within 5-15 minutes (smoked/vaporized); begins with gentle cerebral lift, euphoria, dreamy mental state; body effects intensify over 15-30 minutes with warm, heavy sensation cascading from head through limbs ('melting' feeling); peak delivers profound full-body relaxation; can transition to couch-lock at higher doses; thoughts drift in relaxed, contemplative state.

2-4 hours when smoked/vaporized (peak intensity 1-2 hours); Edibles: 45-90 min onset, effects persist 4-6+ hours; Smooth comedown transitioning to drowsiness conducive to sleep.

Relaxed; Sleepy; Euphoric; Happy; Hungry (significant appetite stimulation); Muscle tension relief; Physical discomfort reduction; Mental ease and contentment.

Dry mouth (common); Dry eyes (common); Dizziness (less common, typically with low tolerance or high doses); Mild paranoia (uncommon, typically with overconsumption).

Evening and nighttime use; Winding down after work; Preparing for sleep (30-60 minutes before bed); Relaxed social settings (movie watching, music listening, mellow gatherings); Solitary relaxation (reading, gentle stretching, meditation, low-focus creative pursuits); Sleep support

Activities requiring alertness, physical coordination, or mental sharpness; Driving or operating machinery; Demanding creative or analytical work; Vigorous exercise; Daytime productivity tasks.

Purple Urkle (parent strain; grape-berry profile, deep purple; more sedative, less yield-focused); Grape Ape (similar Mendo Purps lineage, grape flavor, indica-heavy; includes Afghani/Skunk genetics, often confused with GDP); Purple Punch (GDP x Larry OG; purple buds, relaxing; sweeter candy-like flavor, slightly less sedating); Purple Kush (pure indica, full-body relaxation, sleep-promoting; earthier less fruity, possibly heavier); Blackberry Kush (indica-dominant, berry aromatics, sedative; blackberry vs grape flavor, diesel undertones).