Granddaddy Purple Autoflower Seeds
Granddaddy Purple Autoflower is an Indica-dominant autoflowering strain created by crossing the legendary Granddaddy Purple with resilient ruderalis genetics. This compact, fast-finishing variety delivers the signature color, aroma, and flavor that made GDP famous, wrapped in an easy-to-grow autoflowering format.
- THC High – Up to 24%
- Medium Yield – Up to 300gsm
- Indica Dominant Ruderalis: 70% Indica / 30% Sativa
- Flowering Time – 8–10 Weeks
- Autoflowering version of the iconic Granddaddy Purple
Browse all Autoflowering Seeds
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| THC % | Up to 24% |
|---|---|
| Flowering Time | 8-10 Weeks |
| Outdoor harvest | July, September |
| Yield | 200-300gr/m² |
| Indica/Sativa | Indica Dominant Ruderalis |
| Height | Short: 60cm-100cm |
| Difficulty | Easy |
| CBD Content | Up to 2% |
| Climate | Cool |
| Seed Type | Autoflower Feminized |
| Genetics | Green Ribbon x Granddaddy Purps x Ruderalis |
| Effects | Relaxing |
| Taste | Grape, Berry, Violet |
| Terpene | Myrcene, Pinene, Caryophyllene |
STRAIN TRAITS
Strain Overview
Granddaddy Purple is one of the most recognizable Indica strains ever created, known for its deep purple coloration and unmistakable grape-forward aroma. This autoflowering version preserves the defining traits of the original while significantly reducing overall grow time and simplifying cultivation.
By introducing ruderalis genetics, breeders produced a strain that remains compact, flowers automatically, and performs reliably across a wide range of conditions while staying true to the classic GDP profile.
Growing Information
Granddaddy Purple Autoflower is valued for its forgiving nature and compact growth pattern. Plants typically reach heights of 60–100cm, making this strain particularly well suited to small indoor spaces and discreet outdoor grows.
The plant develops a sturdy Indica structure with dense bud sites and strong lateral branching. Thanks to its autoflowering genetics, it does not require strict light schedules to initiate flowering.
Flowering Time & Yield
From seed to harvest, Granddaddy Purple Autoflower typically completes its lifecycle within 8–10 weeks. Under favorable conditions, growers can expect yields in the range of 200–300g/m², with dense, resin-coated buds forming throughout the canopy.
Beginner Suitability
This strain is considered very easy to grow and well suited to beginners. Its compact size, resilience, and predictable development make it a dependable option for first-time growers.
Aroma, Flavor & Terpenes
Granddaddy Purple Autoflower produces a rich and instantly recognizable aroma. Sweet grape and berry notes dominate, supported by subtle hints of spice and pine that deepen as the flowers mature.
The terpene profile is led by myrcene, pinene, and caryophyllene. Together, these terpenes shape a flavor that blends ripe grape sweetness with berry undertones and a smooth, lightly spiced finish.
Why Choose This Strain
Granddaddy Purple Autoflower is an excellent choice for growers seeking classic Indica character in a fast, compact, and easy-to-manage plant. Its signature color, familiar aroma, and short flowering time make it a strong option for growers working with limited space or time.
Genetics & Sourcing
This cultivar is bred from Green Ribbon and Granddaddy Purple genetics, crossed with ruderalis to introduce autoflowering traits. The result is a stable autoflower that preserves the visual and aromatic appeal of the original strain while offering improved accessibility.
