Grandaddy Purple Autoflower Seeds


Discover the captivating charm of Grandaddy Purple Autoflower, a remarkable cannabis strain that blends the legendary Granddaddy Purple with the resilience of Ruderalis. This enchanting variety is celebrated for its visually stunning, large purple buds that are as pleasing to the eye as they are to the palate. A symphony of sweet, earthy aromas with a berry and grape infusion greets your senses, while its flavor lingers delightfully. Ideal for both indoor and outdoor cultivation, this hardy strain stands out with its mold and pest resistance, thriving even in cooler climates. Dive into the world of Grandaddy Purple Autoflower and experience a harmonious blend of visual beauty, aromatic allure, and easy growing.

SKU BA1031 Category


What is Grandaddy Purple Autoflower Seeds?

Grandaddy Purple Autoflower Seeds represent a remarkable blend of genetics, known for their stunning purple hues and robust growth patterns. These seeds are a variation of the classic Grandaddy Purple strain, now made easier to cultivate with the autoflowering trait. Ideal for both novice and experienced growers, these seeds are a testament to the innovative cultivation techniques in modern cannabis horticulture.


Grandaddy Purple, often abbreviated as GDP, was first developed in the early 2000s in California. A cross between Purple Urkle and Big Bud, this strain quickly gained popularity for its distinctive purple coloring and sweet, berry-like aroma. The autoflowering version retains these qualities while adding the convenience of an automatic flowering cycle, thanks to the introduction of genetics from ruderalis strains.

Seed Characteristics

  • Coloration: These seeds give rise to plants with deep purple leaves and flowers, a signature trait of the Grandaddy Purple lineage.
  • Growth Pattern: Being an autoflower variety, these plants shift from the vegetative stage to flowering autonomously, typically flowering within 8-10 weeks from germination.
  • Size: They generally reach a moderate height, making them suitable for both indoor and outdoor cultivation in limited space.
  • Yield: Despite their compact size, these plants can produce a generous yield, especially when provided with optimal growing conditions.

Key Insights

  • Resilience: Grandaddy Purple Autoflower is known for its hardiness, making it a good choice for growers in a variety of climates.
  • Aroma and Flavor: These plants exude a sweet, berry-like scent with earthy undertones, characteristic of their Purple Urkle heritage.
  • Visual Appeal: The striking purple coloration of the buds and leaves makes this strain particularly appealing for those who appreciate aesthetic qualities in their plants.

Cultivation Tips

  1. Lighting: Ensure your plants receive ample light, with at least 18 hours of light per day during the growing phase for optimal growth.
  2. Soil and Nutrients: A well-draining soil rich in organic matter is ideal. Regular feeding with a balanced nutrient solution can enhance growth and yield.
  3. Temperature and Humidity: These plants prefer a mild to warm climate with moderate humidity. Keep an eye on environmental conditions, especially when growing indoors.
  4. Pruning: Light pruning can help manage growth and improve air circulation around the lower parts of the plant.
  5. Harvest Timing: Pay attention to the color of the trichomes to determine the best time to harvest for optimum quality.

Additional information

Packet size

12 Seeds, 18 Seeds, 6 Seeds


56 to 63 days

THC Content



Grape / Berries / Pepper / Piney


Alpha-pinene / Valencene / Linalool / Camphene


200 – 300 gr/m2 indoor / 60 – 80 gr/plant outdoor.


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