
THC
16.2–19.7%
CBD
0.2%
Grandaddy Purple Fast is an indica from Bulk White Label testing 16.2 to 19.7 percent THC, finishing in 9 to 10 weeks.
No effect, terpene, flavor or medical-use data specific to Grandaddy Purple Fast has been published yet, so we don't guess. For what indica strains usually do, see the effects guide.
THC in this profile
19.7% THC
Growing Information
Flowering Time
9–10 weeks
About Grandaddy Purple Fast
Bulk White Label offers this fast version of the well-known Grandaddy Purple name as an indica, with THC measured between 16.2 and 19.7 percent, a solidly mid-to-upper range reading for the type. True to the 'fast' label, flowering wraps in 9 to 10 weeks, quicker than what growers typically associate with classic Grandaddy Purple genetics, suggesting this version has been selected specifically to shorten that timeline. That speed makes it a more practical option for growers who want the general character of the strain's name without committing to the longer cycle some indica phenotypes demand. No parent lineage beyond the name itself has been published for this particular release, and no effects, flavors, or medical uses are currently documented, so growers are working primarily from the THC figures and that shortened flowering window.
Where to Buy Seeds
We may earn a commission from purchases made through these links.
Frequently Asked Questions about Grandaddy Purple Fast
Is Grandaddy Purple Fast an Indica, Sativa, or Hybrid?
Grandaddy Purple Fast is classified as a indica cannabis strain.
What cannabinoid content is reported for Grandaddy Purple Fast?
Grandaddy Purple Fast: 19.7% THC and 0.2% 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.