The Leaf Index
Vol. IA field guide to cannabis cultivarsleafly.cc
No. 2312Indica

Shiraz

Grape Ape (hypothesized) × Granddaddy Purple (hypothesized) × Kush (hypothesized) × Afghan (hypothesized)

Shiraz is a boutique indica-leaning hybrid cultivar that draws its name from the fruit-forward red wine. It is recognized for its complex sensory profile, often appearing in limited releases favored by small-batch producers for its striking appearance and rich aroma.

May help withStress
AromaGrapeBerryBlackberryPepperChocolateCitrusCedarSandalwood

Appearance

Shiraz typically presents dense, compact colas shaped like golf balls or soda cans, supported by sturdy branches. The calyxes are often a deep olive or purple, particularly when exposed to cooler temperatures late in the flowering cycle. Copper to burnt orange pistils contrast with the darker bracts, and heavy trichome coverage gives the buds a frosted appearance.

Aroma & Flavor

The aroma of Shiraz is a layered bouquet featuring notes of blackberry jam, dark grape, cracked black pepper, and a subtle hint of cocoa, with undertones of cedar or sandalwood. When ground, a bright citrus peel note emerges, indicating a lively terpene profile. The flavor mirrors the aroma, starting with dark fruit and transitioning to pepper, cedar, and bittersweet cocoa, with citrus notes present on the palate, especially when vaporized.

The finish can be reminiscent of red wine, with a tannic, tea-like dryness. In edibles or rosin, chocolate and cedar notes may become more pronounced, and the grape character can lean towards plum.

Effects

Shiraz is described as providing an evening-leaning experience. While specific effects are not detailed extensively, the strain's profile suggests a generally relaxing and potentially focused experience, consistent with its indica-dominant classification.

Terpenes & Cannabinoids

The terpene profile of Shiraz commonly features myrcene, beta-caryophyllene, and limonene, often comprising 1.0 to 1.8 percent of the flower's weight. Additional terpenes like humulene, linalool, and ocimene may contribute to its complex aroma and flavor. THC content typically ranges from 15-25%, with CBD levels below 1%.

Origins & Lineage

Shiraz emerged in the mid-to-late 2010s, developed by craft breeders aiming for grape-berry aromatics and deep coloration, inspired by Australian Syrah wine. While no single breeder is universally recognized, common hypotheses suggest crosses involving grape-forward indicas like Grape Ape or Granddaddy Purple with Kush or Afghan lines, or a blend of modern grape candy strains with caryophyllene-rich hybrids.

Growing

Shiraz is generally considered an indica-dominant hybrid that flowers in 8 to 9 weeks. It exhibits a vigorous vegetative phase and moderate internodal spacing, with plants reaching medium stature. Breeders often select for dense colas, dark anthocyanin expression, and high beta-caryophyllene content. The cultivar responds well to training techniques for uniform canopy development and can support heavy flower yields when managed properly.

Frequently asked questions

What is the THC content of Shiraz?
Shiraz typically has a THC content ranging from 15% to 25%.
What are the dominant terpenes in Shiraz?
The most commonly found terpenes in Shiraz are myrcene, beta-caryophyllene, and limonene.
What is the typical flavor profile of Shiraz?
Shiraz is known for its complex flavor profile, often described as dark grape, blackberry, black pepper, and bittersweet cocoa, with underlying citrus notes.
What is the origin of the Shiraz strain?
Shiraz is a boutique cultivar that emerged in the mid-to-late 2010s, named after the bold, fruit-forward red wine style, and is thought to be developed by craft breeders.