Indica-dominant
Amnesia × Grandaddy Purple
- Flowering
- 8–9 wk
- THC
- 4–7%
- CBD
- 5–10%
- Yield
- 450–550 g/m²
THC17–20%published by breeder
Flowering10–11 wkpublished by breeder
Provenance
Identity and sources
| Breeder | Expert Seeds |
|---|---|
| Recorded genetics | not published |
| Source page | expertseedbank.com ↗ |
| Last read | 15 Sept 2026 |
| Read via | structured data on the breeder page |
Each value links to the page it was read from. A breeder's figure is their claim, not a lab result.
Cultivation
Grow info
| Seed type | Feminized |
|---|---|
| Flowering type | Photoperiod |
| Flowering time | 10–11 wk |
Lineage
Genetics & lineage
As written by the breeder. Linked names are cataloged here.
Lineage not published by the breeder.
Descendants
Known crosses using Grandaddy Purple
15 strains name Grandaddy Purple as a parent
- Indica-dominant
Amnesia × Grandaddy Purple
- Flowering
- 8–9 wk
- THC
- 21–24%
- Yield
- 450–550 g/m²
- Sativa-dominantRegularAutoflower
Platinum Cookies × Grandaddy Purple
- Flowering
- 8–10 wk
- THC
- 18–20%
- I/S
- 30/70
- Feminized
Grandaddy Purple × Platinum Girl Scout Cookies
- THC
- 22%
- CBD
- 1%
Yield: High
- Indica-dominant
Grandaddy Purple × F1 Durban Poison
- Flowering
- 8–9 wk
- THC
- 23%
- Yield
- 500–600 g/m²
- Sativa-dominantFeminized
Grandaddy Purple × Elephant Bud
- Indica-dominantFeminized
Black Domina ’98 × Grandaddy Purple
- Flowering
- 8–10 wk
- THC
- 19–23%
- I/S
- 90/10
- Indica-dominantFeminized
Grandaddy Purple × Do-Si-Dos
- Flowering
- 8–10 wk
- THC
- 20–24%
- I/S
- 80/20
- Indica-dominantRegular
Grandaddy Purple × Larry OG
- Flowering
- 7–9 wk
- THC
- 25%
- Height
- 90–160 cm
- Yield
- 600 g/m²
- Indica-dominantFeminized
Grandaddy Purple × Larry OG
- Flowering
- 7–9 wk
- THC
- 25%
- Height
- 90–160 cm
- Yield
- 600 g/m²
- Autoflower (fem)
GRANDADDY PURPLE × GRAPEFRUIT × AFGHAN
- Flowering
- 9 wk
- THC
- 20%
- CBD
- 0.3%
- I/S
- 80/20
Pairings
Frequently crossed with
The other parent in crosses that use this strain.
Data trust
Where this row came from
- Source
- expertseedbank.com ↗
- Fields with a published source
- 6
- Fetched
- 15 Sept 2026
We never copy values between breeders. Expert Seeds's Grandaddy Purple is not another breeder's Grandaddy Purple.
Lab data
No lab report here yet
Have a lab report for Grandaddy Purple?
Breeders publish claims; a COA is a measurement. We cannot read them off anybody’s website — of 160 products checked, none carried one — so the only way they get here is if somebody sends one.
Same name
9 breeders sell a Grandaddy Purple
A name is not a genetic identity. Each row is what that breeder published, on their own page.
| Breeder | Genetics | THC | Flowering | Seeds | Read from |
|---|---|---|---|---|---|
| Expert Seedsthis page | — | 17–20% | 10–11 wk | Feminized | expertseedbank.com |
| Blim Burn Seeds | — | 22–24% | 8–10 wk | Regular | blimburnseeds.com |
| Captain Seeds | — | — | 8–11 wk | — | captainseeds.com |
| Freedom of Seeds | Purple Urkle x Big Bud | — | — | Feminized | freedomofseeds.com |
| Freedom of Seeds | Mendo Purps, Skunk x Afghanistan | — | 8–9 wk | Feminized | freedomofseeds.com |
| Freedom of Seeds | Big Bud x Purple Urkle | — | — | Feminized | freedomofseeds.com |
| Garden of Green | — | 21–24% | 8–9 wk | — | gardenofgreenseedbank.com |
| Real Gorilla Seeds | Big Bud x Purple Urkle | 20–23% | 9 wk | Feminized | realgorillaseeds.com |
| Soloud Genetics | Purple Urkle x Big Bud | — | 8–9 wk | Feminized | soloudgenetics.com |
Where these disagree, both are quoted correctly — the breeders disagree, not the records. Every figure links to the page it was read from.
Same catalog
