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Strainline

GRANDDADDY PURPLE

Indica

Ken Estes

GRANDDADDY PURPLE ranges $12–$50.75 across 4 dispensaries in Napa County, cheapest $12 at Perfect Union Napa, as of Jul 21, 2026.

Updated Jul 21, 2026

How much does GRANDDADDY PURPLE cost across California?

Granddaddy Purple (also GDP) is an indica-dominant cultivar bred by Ken Estes in San Francisco around 2003. It crosses Purple Urkle with Big Bud, producing the deep purple coloration and grape-berry aroma the strain is named for. GDP became one of the most influential California indicas of the medical-marijuana era and remains a regional flagship.

Dispensaries

4

in Napa County

Products

11

in stock

Price range

$12–$51

in Napa County

California-wide GRANDDADDY PURPLE stats →

Flower

All(3)

Cartridges

All(8)