The Leaf Index
Vol. IA field guide to cannabis cultivarsleafly.cc
No. 8164Indica

Royal Purple

Purple Kush × Bubba Kush × Afghani

Royal Purple is an indica-dominant cultivar celebrated for its striking deep purple and plum coloration, often appearing near-black under optimal conditions. It is recognized for dense resin production and a classic indica experience, making it a popular choice for evening relaxation.

EffectsCalm Relaxing Sedative
May help withStress
AromaGrapeBerryCandyCitrusEarthyFloralHerbalLavenderSpice

Appearance

This strain is distinguished by its intensely colored calyxes, which mature from olive green to deep violet, plum, and even black hues in the final weeks of flowering. The sugar leaves frequently display contrasting lavender edges, creating a visually striking contrast. Buds are typically medium-dense to dense, often conical or spear-shaped, with tightly stacked calyxes. Copper to orange pistils curl into a frosty surface, indicative of significant resin production.

Aroma & Flavor

The aroma of Royal Purple is often described as grape-forward, accompanied by notes of spice and earthiness. Consumers also detect a sweetness reminiscent of berry candy. The flavor profile mirrors the aroma, presenting a blend of grape, berry, and candy-like sweetness, often grounded by herbal and floral undertones with a subtle citrusy finish.

Effects

Users report that Royal Purple delivers relaxing body effects and promotes a calm headspace, with sedative qualities that become more pronounced as dosage increases. This makes it a favored strain for unwinding in the evening and preparing for rest.

Terpenes & Cannabinoids

Royal Purple typically tests between 17–23% THC, with some batches exceeding 25%. Terpene profiles often feature myrcene, beta-caryophyllene, and limonene as dominant compounds, frequently complemented by linalool. These contribute to the strain's characteristic aroma and flavor profile, alongside its relaxing effects.

Growing Traits

This cultivar generally exhibits moderate internodal spacing and a stout, bushy plant structure with broad fan leaves. It is valued for its above-average trichome density and potential for vibrant color development, especially under cooler night temperatures. Yields indoors can range from 500–700 g/m² under appropriate lighting.

Origins & Lineage

Royal Purple emerged in the 2010s, often associated with indica-leaning hybrids incorporating Afghani, Kush, and Purple family genetics. Common reported parentage includes Purple Kush, Bubba Kush, and Afghani lines, with some variations potentially linked to Granddaddy Purple or Purple Urkle. It is sometimes conflated with Royal Purple Kush, suggesting a Kush-driven backbone and a strong propensity for purple coloration.

Frequently asked questions

What are the dominant terpenes in Royal Purple?
The dominant terpenes commonly found in Royal Purple include myrcene, beta-caryophyllene, and limonene, often with linalool also present.
What is the typical THC content of Royal Purple?
Royal Purple typically contains between 17% and 23% THC, though some batches may test higher.
Is Royal Purple suitable for evening use?
Yes, Royal Purple is often recommended for evening use due to its reported relaxing body effects and sedative qualities.
What visual characteristics define Royal Purple?
Royal Purple is known for its vibrant coloration, with buds displaying deep plum, violet, and sometimes near-black hues, along with dense resin coverage.