
THC
18%
CBD
1%
Genetics Split
Grandaddy White is a 70/30 indica-leaning hybrid of Granddaddy Purple and White Widow, testing near 18% THC with moderate difficulty.
No effect, terpene, flavor or medical-use data specific to Grandaddy White has been published yet, so we don't guess. For what hybrid strains usually do, see the effects guide.
THC in this profile
18% THC
Growing Information
Flowering Time
8–10 weeks
Difficulty
moderate
Height (Indoor)
80-120cm
Yield (Indoor)
450-550 g/m²
About Grandaddy White
Crossing Granddaddy Purple with White Widow gives this hybrid its heavy, indica-leaning build, about 70% indica to 30% sativa, and a grow profile that rewards patience without demanding expertise. Connoisseur Genetics' cut finishes in 8 to 10 weeks of flowering, stretching into a plant that tops out around 80 to 120cm indoors, a manageable size for tent growers who still want serious output: yields land between 450 and 550 grams per square meter under the right conditions. THC tests near 18%, paired with a touch of CBD around 1%, making this one of the milder members of the Granddaddy Purple family rather than a knockout. Moderate difficulty means it forgives some inconsistency in feeding or training, which is part of why the cross has stuck around. There's no flashy marketing hook here, just two well-known parents combined into a plant built for a mid-sized indoor room.
Where to Buy Seeds
We may earn a commission from purchases made through these links.
Frequently Asked Questions about Grandaddy White
Is Grandaddy White an Indica, Sativa, or Hybrid?
Grandaddy White is classified as a hybrid cannabis strain bred from a genetic cross of Granddaddy Purple × White Widow.
What cannabinoid content is reported for Grandaddy White?
Grandaddy White: 18% THC and 1% CBD reported in our data. The THC figure, when present, is the upper end of the reported range, not a typical measured dose. Potency can vary across harvests, phenotypes, and growing conditions.