Granddaddy Purple Feminized Seeds
From $75.00
Buy Granddaddy Purple seeds in Australia and experience the legendary strain that has won multiple awards and become a cult classic. These feminized Granddaddy Purple seeds produce the iconic deep purple buds with 20-27% THC that made GDP the most famous purple cannabis strain in history. š
š High Times “Strongest Strain” & “Best Indica winner
Larger orders often include complimentary seeds, depending on availability.
Germination Guarantee
All batches are double-tested for quality and viability using the paper towel method.

Rapid, local Ozzy delivery
All shipments are tracked- choose express post or regular. Discreet & secure.
Granddaddy Purple Feminized Seeds
From $75.00
Buy Granddaddy Purple seeds in Australia and experience the legendary strain that has won multiple awards and become a cult classic. These feminized Granddaddy Purple seeds produce the iconic deep purple buds with 20-27% THC that made GDP the most famous purple cannabis strain in history. š
š High Times “Strongest Strain” & “Best Indica winner
Larger orders often include complimentary seeds, depending on availability.
Germination Guarantee
All batches are double-tested for quality and viability using the paper towel method.

Rapid, local Ozzy delivery!
All shipments are tracked- choose express post or regular. Discreet & secure.
šæ Granddaddy Purple Seeds | Feminized Cannabis Seeds | Key Info
- 𧬠Genetics: Purple Urkle à Big Bud
- š± Type: Feminized Photoperiod Seeds
- š Sativa/Indica Ratio: Indica Dominant (70% indica / 30% sativa)
- š„ THC Content: Super high 20ā27%
- š§ CBD: Low (typically under 1%)
- š¾ Yield: Up to 500 g/m² indoors, up to 600 g/plant outdoors
- š Plant Height: Medium (70ā120cm indoor / 120ā150cm outdoor)
- ā± Flowering Time: 8ā10 weeks
- š Flavour & Aroma: Grape, berry, floral, earthy
- š Delivery: Fast domestic shipping within Australia
- ā ļø Legal Notice: Sold strictly as souvenirs in accordance with local laws
šæ The Story Behind Granddaddy Purple Seeds
Granddaddy Purple was born in 2003 in California's Humboldt County by breeder Ken Estes, a medical cannabis advocate who was paralysed in a motorcycle accident and turned to cannabis for relief.Ā Ken designed and bred a strain for patients needing heavy physical sedation without cognitive impairment.This cross of Purple Urkle and Big Bud created the worldās first truly mainstream purple strain ā a genetic milestone that changed cannabis breeding forever.
Before GDP, purple buds were a novelty. After GDP, they became iconic. GDP was one of the first strains to go āviralā in the pre-legalisation era, thanks to its unmistakable deep purple buds and nostalgic grape Kool-Aid aroma.
This heavy indica delivers sedating body effects with a sweet grape aroma that made it famous, and its deep purple colouring became the new standard of visual appeal in cannabis.
š” Granddaddy Purps Trivia
- š Name Origins: Its name was meant to evoke old-school power and lineage, positioning it as the āgrandfatherā of purple indicas ā and it lived up to it.
- š¾ Bulky Heritage: Its parent strain, Big Bud, was chosen specifically for its massive flower production, which gave GDP its famously bulky, trichome-coated nugs.
- šØ Purple Pioneer: GDP helped kick off the purple craze in the mid-2000s, influencing breeders to chase anthocyanin-rich genetics for both visual and market appeal.
- š¦šŗ Aussie Legend: Despite its US origins, GDP became hugely popular in Australia in the mid-2010s through the underground scene and clone-only circles.
- š True Colour: The iconic purple colouration is not just aesthetic ā itās caused by anthocyanins, which also occur in blueberries and red wine grapes. GDP produces them abundantly in cooler night temps, leading to almost jet-black buds in some cases.
š Awards & Recognition
- š„ High Times Cannabis Cup ā Best Indica Winner (2015)
- š āStrongest Strain on Earthā ā High Times Feature
- š Dubbed āThe Grandfather of All Weed Strainsā
- š 20+ Years of Global Cult Status
š§ Mental Effects
GDP starts with an uplifting wave of euphoria and mental clarity, gradually easing into peaceful introspection. Itās often used in the evening to melt away stress and tension without mental fog.
- Improves mood and mental calmness
- Helpful for anxiety, overthinking, and restlessness
- Promotes introspection and quiet presence
š Physical Effects
This strain is famous for its body-heavy stone. Muscles loosen. Tension melts. A warm, sedating sensation spreads through the limbs, often leading to deep rest or sleep.
- Popular for pain relief and muscle relaxation
- Reduces physical agitation and stress symptoms
- May cause couch-lock in higher doses
š Therapeutic Benefits
GDP has become a trusted choice for medical users across the globe. Its deeply calming effects make it useful for those managing insomnia, chronic pain, anxiety, and more.
- Insomnia and sleep disorder support
- Stress and PTSD management
- Appetite stimulation and nausea reduction
- Chronic pain and inflammation relief
šæ Medicinal Benefits of Granddaddy Purple Feminized Seeds
GDP delivers consistent relief with powerful indica effects. Its popularity among medical users stems from its strong body high, which helps reduce tension, pain, and stress-related conditions. The sweet grape flavour makes it a joy to use.
- Promotes restful sleep and deeper relaxation
- Alleviates anxiety and low mood
- May help manage migraines and muscle spasms
- Stimulates appetite in patients undergoing treatment
š± Growing Granddaddy Purple Strain
(Strictly for those in ACT with a license or those overseas where cultivation is legal.)
GDP is a reliable, easy-growing strain for home growers. With strong branching, natural pest resistance, and high trichome production, itās suitable for both beginners and seasoned cultivators.
š± Indoor Growing
- Flowering Time: 8ā10 weeks
- Indoor Yield: Up to 500 g/m²
- Height: 70ā120 cm
- Tips: Use LST or topping to improve yields. Lower night temps during late flowering enhance purple colouring.
šæ Outdoor Growing
- Harvest Time: Early April (Southern Hemisphere)
- Outdoor Yield: Up to 600 g/plant
- Height: 120ā150 cm
- Climate: Warm, low-humidity environments are ideal. Strong resistance to pests and mildew.
š Granddaddy Purple User Experiences
š Classic Grape Terps
š¤ "As soon as I cracked the jar I knew it was real GDP ā pure grape soda smell and dark purple buds. Relaxation hits in waves. Great for winding down."
š Sedation Without Fog
š¤ "I take it for sleep and pain. It relaxes every muscle but doesnāt mess with my head. One of the only indicas that doesnāt leave me groggy the next day."
šØ Great for Evenings
š¤ "This is my go-to when I want to sketch or play music and ease into a mellow night. GDP feels nostalgic, warm, and grounding."
Frequently Asked Questions
š± Are these Granddaddy Purple seeds feminized?
Yes ā 100% feminized for female-only plants and guaranteed bud production.
š¦ Do you ship within Australia?
Yes ā fast domestic shipping with stealth packaging. Most orders arrive in 3ā5 business days.
ā³ How long does Granddaddy Purple take to flower?
8ā10 weeks indoors. Outdoors, expect harvests in early April (Southern Hemisphere).
š Will the buds actually turn purple?
Yes! Cooler night temps in late flowering bring out deep purples thanks to GDPās high anthocyanin content.
š¤ Is this a good strain for sleep?
Absolutely. GDP is widely used for insomnia, helping users fall asleep faster and stay asleep longer.
š”ļø Whatās the best climate to grow GDP?
It prefers warm, dry conditions with good airflow. Indoor growers should keep humidity low during flowering.
š± Is GDP suitable for first-time growers?
Yes. Itās hardy, manageable in size, and doesnāt require intense maintenance. A great indica for beginners.
š§Ŗ Does GDP have medicinal value?
Yes ā itās used for pain, sleep, anxiety, and appetite loss. Its reputation in the medical community is well-earned.














Beautiful plants produced!
Excellent quality and Jess is extremely helpful
Would 100% recommend
Jess is very helpful. Highly recommend