The Leaf Index
Vol. IA field guide to cannabis cultivarsleafly.cc
No. 0595Sativa

Grape Stomper

Purple Elephant × Chemdog Sour Diesel

Grape Stomper, sometimes known as Sour Grapes, is a sativa cultivar that emerged from California's artisan breeding scene in the late 2000s. It is widely credited to Gage Green Group and is celebrated for its distinctive grape candy aroma and uplifting effects.

May help withAnxiety Headache Stress
AromaCandyCitrusDieselFloralFruityGrapeHerbal

Appearance

Grape Stomper flowers are typically medium-dense and conical, often displaying lime to deep forest green hues with streaks of lavender, particularly when exposed to cooler temperatures late in the flowering cycle. The buds are heavily frosted with a dense layer of trichomes, which can exceed 18–22% by weight in tested samples. Pistils range from tangerine to rust, contrasting with the silvery-white trichome blanket.

Aroma & Flavor

The aroma of Grape Stomper is characterized by a prominent grape candy scent, reminiscent of Concord grape jelly, often accompanied by a crisp citrus note similar to lemon-lime soda. Secondary aromas may include hints of diesel and varnish from its lineage. Upon combustion or vaporization, flavors follow suit with sweet, grape-forward notes on the inhale, while the exhale can reveal subtle fuel tones, black pepper, and citrus peel.

Effects

Grape Stomper is known for delivering a heady, uplifting experience. Consumers often report feeling energetic, euphoric, and happy, with a notable sense of upliftment. While generally stimulating, some users may also experience a calming or even sedating effect, particularly with higher consumption.

Terpenes & Cannabinoids

Commonly reported dominant terpenes in Grape Stomper include Myrcene, Limonene, and Beta-Caryophyllene, contributing to its sweet, fruity, citrus, and spicy aromatic and flavor profiles. Supporting terpenes may include Pinene and Humulene. THC levels typically range from 18% to 24% in flower, with select phenotypes and concentrates reaching 25–26%. CBD content is generally low, below 1%.

Origins & Lineage

Grape Stomper is widely believed to be a cross between Purple Elephant and Chemdog Sour Diesel. This genetic pairing is thought to combine the purple hues, sweet grape flavors, and calming body effects of Purple Elephant with the pungent gas, sharp citrus, and energetic lift associated with the Chem and Sour Diesel family.

Growing

Growers have praised Grape Stomper for its dense trichome coverage and a relatively fast finishing time compared to other purple-leaning hybrids. It is recognized for its high frost factor and potential for elevated resin production, making it a valuable parent strain in breeding projects aimed at enhancing potency and terpene content.

Frequently asked questions

What is Grape Stomper also known as?
Grape Stomper is sometimes sold under the alias "Sour Grapes."
What are the dominant terpenes in Grape Stomper?
The most commonly reported dominant terpenes are Myrcene, Limonene, and Beta-Caryophyllene.
What is the typical THC content of Grape Stomper?
THC content in Grape Stomper flower typically ranges from 18% to 24%, with some select phenotypes and concentrates reaching up to 25-26%.
What is the genetic lineage of Grape Stomper?
Grape Stomper is widely believed to be a cross between Purple Elephant and Chemdog Sour Diesel.