Purple Cannabis Seeds — Anthocyanin-Rich Genetics for Striking UK Harvests — Page 2
Page 2 of purple genetics seeds at Royal King Seeds. Continue browsing the range below.
113 strains available
Purple Genetics Seeds catalogue at a glance
Our purple genetics seeds collection currently holds 113 strains in active inventory with verified THC content ranging from 5% at the low end to 33% at the high end (median 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, lab data and grower reports.
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?
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Purple Genetics Seeds A–Z — part 2 of 5
23 of 113 strains, in alphabetical order. The index continues on the next page. Use the search bar above to find any strain.
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- Grape God Feminised
- Grape Guava Feminised
- Grape Inferno Auto
- Grape Inferno Feminised
- Grape Krush Feminised
- Grape Kush Feminised
- Grape OX Feminised
- Grape Skunk Auto
- Grape Skunk Feminised
- Grape Soda Auto
- Grape Soda Feminised
- Grape Stomper Feminised
- Grape Valley Kush Feminised
- Grapefruit Diesel Feminised
- Grapefruit Feminised
- Grapefruit Kush Feminised























