The Leaf Index
Vol. IA field guide to cannabis cultivarsleafly.cc
No. 5865Indica

Sour Plums

Sour Diesel × Plum/Grape-leaning strains

Sour Plums is a hybrid cannabis strain recognized for its distinct tart stone-fruit aroma and dense resin production. It is often described as indica-leaning, though phenotype expression can vary. This cultivar is favored by consumers seeking complex flavors and by extractors due to its high terpene yields.

EffectsBalanced Relaxing Potent
AromaPlumGrapeDieselCitrusBerryPepperySweet

Appearance

Sour Plums typically produces dense, medium-sized flowers that are conical or spear-shaped. The buds are characterized by abundant trichomes, giving them a frosted appearance, and often display deep olive to eggplant purple coloration, especially when exposed to cooler temperatures during late flowering. Vivid orange pistils provide contrast against the darker hues. Favorable calyx-to-leaf ratios contribute to ease of trimming.

Aroma & Flavor

The aroma of Sour Plums is dominated by a tart, sour note reminiscent of underripe plum and grape skin, often accompanied by a subtle diesel-like undertone. Some phenotypes also exhibit sweet balsamic and peppery qualities. Upon grinding, the aroma intensifies, revealing sharper citrus and berry notes. The flavor profile mirrors the aroma, presenting a complex blend of sour fruit, candy, citrus, and diesel nuances.

Effects

Consumers report that Sour Plums delivers balanced effects, often leaning towards indica-dominant sensations. The experience is characterized by a combination of mental clarity and physical relaxation. The strain is noted for its potent aroma and flavor, which contribute significantly to the overall consumer experience.

Terpenes & Cannabinoids

Sour Plums is recognized for its high terpene content, often exceeding 2% by weight. Key terpenes contributing to its profile include Myrcene, Limonene, Caryophyllene, Linalool, and Ocimene. THC levels commonly range from 15% to 25%, while CBD content remains below 1%. The combination of these compounds produces the strain's signature aroma and effects.

Growing

Sour Plums is considered a boutique hybrid that can be cultivated from clone-only cuts or feminized seeds. Phenotype variability is common, with some plants exhibiting more fuel-forward traits and others leaning towards fruitier profiles. Plants generally reach medium heights with moderate spacing between nodes. Flowering time typically ranges from 8 to 10 weeks, with some variations depending on the specific phenotype and growing conditions. Resin production is dense, making it suitable for solventless extraction.

Origins & Lineage

Sour Plums emerged from the craft cannabis scene in the late 2010s and early 2020s, a period characterized by experimentation with dessert- and diesel-inspired hybrids. Its lineage often involves crosses between sour-fuel genetics, such as Sour Diesel or Chem-derived lines, and plum or grape-leaning purple strains, which may have Afghani or Kush ancestry. This crossbreeding aims to combine potent fuel notes with sweet, dark fruit esters and vibrant coloration.

Frequently asked questions

What is the THC content of Sour Plums?
THC levels for Sour Plums typically range from 15% to 25%.
What are the dominant aromas and flavors of Sour Plums?
Sour Plums is known for its prominent sour plum, grape, and diesel aromas and flavors, often with underlying citrus and berry notes.
Is Sour Plums an indica or sativa?
Sour Plums is generally considered an indica-leaning hybrid, though phenotype expression can vary.
What makes Sour Plums popular with extractors?
Its dense resin production and high terpene yields make Sour Plums a favored cultivar for solventless extraction methods like rosin production.