Purple Cannabis Seeds South Africa — Anthocyanin Expression
Purple is inherited, not induced — a plant without the genetics will never colour however cold you make it. What cold nights do is bring the colour forward in plants that already carry it, and few places supply cold autumn nights as reliably as the Highveld at 1 500 m.
Also worth a look: indica seeds the origin of most purple lines, fruity strains the grape and berry notes that follow, and Kush genetics the spine of most purple crosses.
113 strains available
What is in Purple Genetics Seeds right now
There are 113 purple genetics seeds in stock as this page was built, and the tested THC across them runs from 5% up to 33%, with the middle of the range sitting at 19%.
- Feminised photoperiod: 80 strains (71% of the catalogue) — single-flip genetics with the largest single-plant yields.
- Autoflowering: 33 strains (29% of the catalogue) — finishes 8-10 weeks seed-to-harvest.
- Indica-dominant: 80 — body-led effects, compact structure, Myrcene-Caryophyllene terpene signature typical.
- Sativa-dominant: 4 — cerebral effects, taller plants, Limonene-Pinene-Terpinolene profiles common.
- Balanced hybrid: 29 — mixed indica/sativa lineage, ranges from 60/40 to 50/50 splits depending on phenotype.
- Alphabetical lineup starts with: Ayahuasca Purple, Ayahuasca Purple, Black Water Purple OG Cheese — see the full grid below for filters and grow specifications.
Purple Genetics Seeds — Browse All Strains
The Science of Purple Cannabis
Purple colouration in cannabis is produced by anthocyanin pigments — water-soluble flavonoids that shift colour based on pH. The same molecular family colours blueberries, red cabbage, and grape skins. Certain cannabis genotypes carry elevated anthocyanin production as a heritable trait. Cool nighttime temperatures (15–18°C) during the final two to three weeks of flowering trigger and intensify the colour shift. Crucially, the genetic predisposition must be present — lowering temperature alone will not turn a green strain purple. Every cultivar in our purple genetics section is bred for strong anthocyanin expression.
Premier Purple Cultivars
Granddaddy Purple — the benchmark purple strain worldwide, combining heavy indica effects with grape-candy flavour. Purple Punch — sweet grape and baked-cookie terpenes. Purple Haze — Hendrix-inspired sativa with cerebral energy and lavender hues. Purple Kush — pure indica heritage with full violet expression. Tropicana Purple — citrus brightness wrapped in deep purple flowers. Forbidden Fruit — cherry-grapefruit depth with dark, dramatic colouring. Each delivers striking aesthetics alongside effects and flavour that justify the visual appeal.
Frequently Asked Questions
Does purple colouration indicate higher potency?
How do I bring out purple colouration?
Do purple strains have a distinctive flavour?
Other Ways Into the Catalogue
Too many to choose from?
Answer six questions about your province and your space, or read the grow guides first.
Purple Genetics Seeds A–Z
113 strains. Use the search bar above to find any strain.
A
- Ayahuasca Purple Auto · 55-65 days
- Ayahuasca Purple Feminised · 55-65 days
B
- Black Water Purple OG Cheese Feminised · 8-10 weeks
- Buckeye Purple Feminised · 50-60 days
C
- Cadillac Purple Feminised · 55-65 days
- California Grapefruit Feminised · 8-9 weeks
- Critical Purple Auto · 49 to 56 days
- Critical Purple Feminised · 10-12 weeks
D
- Deep Purple Auto · 50-60 days
- Deep Purple Feminised · 7-9 weeks
- Double Purple Doja Feminised · 55-65 days
F
- Fat Purple Auto · 55-65 days
- Fat Purple Feminised · 7–9 weeks
G
- Godfather Purple Kush Feminised · 55-65 days
- Granddaddy Purple Feminised · 8-10 weeks
- Grandmommy Purple Feminised · 60-70 days
- Grape Ape Feminised · 50-60 days
- Grape Cookies Auto · 55-65 days
- Grape Cookies Feminised · 56-63 days
- Grape Drink Feminised · 55-65 days
- Grape Gas Feminised · 63-70 days
- Grape Gelato Feminised · 8-9 weeks
- Grape God Feminised · 55 days
- Grape Guava Feminised · 8-10 weeks
- Grape Inferno Auto · 50-60 days
- Grape Inferno Feminised · 56-63 days
- Grape Krush Feminised · 7-9 weeks
- Grape Kush Feminised · 8-9 weeks
- Grape OX Feminised · 63 to 70 days indoors
- Grape Skunk Auto · 50-60 days
- Grape Skunk Feminised · 50-60 days
- Grape Soda Auto · 55-65 days
- Grape Soda Feminised · 8-9 weeks
- Grape Stomper Feminised · 9-10 weeks
- Grape Valley Kush Feminised · around 7 weeks (indoor, as early as)
- Grapefruit Diesel Feminised · 60 days (indoor)
- Grapefruit Feminised · 8-9 weeks
- Grapefruit Kush Feminised · 55 days (indoor)
H
- Hawaiian Purple Kush Auto · 50-60 days
- Hawaiian Purple Kush Feminised · 50-60 days
K
- Killer Grape Auto · 50-60 days
- Killer Grape Feminised · 8-9 weeks
L
- Lavender Feminised · 7-9 weeks
- Lavender Jones Auto · 50-60 days
- Lavender Jones Feminised · 8-10 weeks
- Lethal Purple Feminised · 45 – 55 days
- Lime Purple Mist Feminised · 7-9 weeks
P
- Pineapple Purple Skunk Feminised · 55-65 days
- Platinum Purple Kush Feminised · 60-70 days
- Purple 43 Feminised · 8-9 weeks
- Purple Afghani Auto · 50-60 days
- Purple Afghani Feminised · 56-63 days
- Purple Alien OG Auto · 55-65 days
- Purple Alien OG Feminised · 8-9 weeks
- Purple Arrow Auto · 50-60 days
- Purple Arrow Feminised · 45-60 days
- Purple Berry Auto · Approximately 7–9 Weeks
- Purple Berry Feminised · 8 weeks
- Purple Bubba Feminised · 7-9 weeks
- Purple Buddha Feminised · 7-8 weeks
- Purple Bush Feminised · 55-65 days
- Purple Candy Auto · 50-60 days
- Purple Candy Feminised · 8-9 weeks
- Purple Chemdawg Auto · 50-60 days
- Purple Chemdawg Feminised · 49-63 days
- Purple Cotton Candy Auto · 55-65 days
- Purple Cotton Candy Feminised · 7–9 weeks
- Purple Diesel Feminised · 65-75 days
- Purple Dragon Auto · 50-60 days
- Purple Dragon Feminised · 50-60 days
- Purple Dream Auto · 60-65 days seed to harvest
- Purple Dream Feminised · 9-11 weeks
- Purple Elephant Feminised · 8-9 weeks
- Purple Gorilla Auto · 50-60 days
- Purple Gorilla Feminised · 50-60 days
- Purple Haze Feminised · 8-10 weeks
- Purple Hindu Kush Feminised · 55-65 days
- Purple Kush Auto · 8-10 weeks
- Purple Kush Feminised · 8-9 weeks
- Purple Lemonade Auto · 9-10 weeks seed to harvest
- Purple Lemonade Feminised · 7-8 weeks
- Purple Martian Kush Auto · 50-60 days
- Purple Martian Kush Feminised · 49-70 days
- Purple Monkey Balls Auto · 55-65 days
- Purple Monkey Balls Feminised · 55-65 days
- Purple Mr. Nice Feminised · 50-60 days
- Purple Nepal Candy Auto · 60-65 days
- Purple Nepal Candy Feminised · 8–10 weeks
- Purple Nepal Feminised · 8-9 weeks
- Purple OG Feminised · 8-9 weeks
- Purple OG Kush Feminised · 55-65 days
- Purple Pantera Feminised · 7-9 weeks
- Purple Panty Dropper Feminised · 55-65 days
- Purple Passion Auto · 50-60 days
- Purple Passion Feminised · around 9 weeks
- Purple People Eater Feminised · 7-9 weeks
- Purple Punch Auto · 7-8 weeks
- Purple Punch Feminised · 7-8 weeks
- Purple Sage Auto · 50-60 days
- Purple Sage Feminised · 7–9 weeks
- Purple Skunk Auto · 50-60 days
- Purple Skunk Feminised · 55-65 days
- Purple Sour Diesel Auto · 60-70 days
- Purple Star Auto · 50-60 days
- Purple Star Feminised · 6 - 7 weeks
- Purple Trainwreck Feminised · 58-63 days
- Purple Urkle Feminised · 7-9 weeks
- Purple Voodoo Auto · 50-60 days
- Purple Voodoo Feminised · 8 weeks
- Purple Wreck Feminised · 9 weeks
S
- Sour Grape Feminised · 55-65 days
- Sweet Deep Grapefruit Feminised · 55-65 days
T
- Tropicana Cookies Purple Feminised · 55-65 days
