Granddaddy Purple strain: every version compared
4 breeders · 3 photoperiod · 1 autoflower · figures as each breeder lists them
Compare all 4 versions ↓“Buy seeds” links go to the Herbies seed shop and are affiliate links — they never change the order or what we write. Figures from the shop’s listings, checked 8 Oct 2026.
THC 19–28% 
Flower · photo 55–60 d Seed–harvest · auto 63 d 
Height 120 cm Quick picks from the listed figures
- Fastest to flower Granddaddy Purple — Growers Choice 55 d Rule: lowest listed flowering days, photoperiod Buy this one ↗
- Most compact Grand Daddy Purple Fast Version — EGS, Granddaddy Purple — Royal Queen Seeds, Granddaddy Purple — World Wide Cultivars (auto) 120 cm Rule: lowest listed height · 3 listings tied · 1 not listed
- Highest listed yield Grand Daddy Purple Fast Version — EGS 600 g/m² Rule: top of the listed g/m² range Buy this one ↗
- Strongest listed THC Grand Daddy Purple Fast Version — EGS 28% Rule: highest listed THC % Buy this one ↗
Start here
All 4 versions
4 versions · sorted by breeder A–Z
- 60 d 28% 120 cm 550–600 Buy seeds at Herbies
EGS - 55 d 20% not listed 397 Buy seeds at Herbies
Growers Choice - 60 d 20% 120 cm 450–500 Buy seeds at Herbies
Royal Queen Seeds - 63 dfrom seed 19% 120 cm 397–549 Buy seeds at Herbies
World Wide Cultivars
Smell, taste and effects
Most listed taste
Sweet
Berry
Floral
Citrus
Most listed effects
Relaxed
Uplifting
Focused
“Buy seeds” links go to the Herbies seed shop and are affiliate links: if you buy, we may earn a small commission at no cost to you. It never decides the order or what we write. Photos as listed by Herbies.
