The Leaf Index
Vol. IA field guide to cannabis cultivarsleafly.cc
No. 5615Hybrid

Sour Guava

Sour Diesel × Guava Gelato (possible) × Stardawg Guava (possible)

Sour Guava is a contemporary hybrid strain that emerged in the late 2010s to early 2020s, blending the pungent, diesel-forward characteristics of classic lineages with the sweet, tropical profile of guava cultivars. It appeals to consumers seeking a familiar yet novel flavor experience, often appearing on dispensary menus alongside other guava-themed varieties.

May help withStress
AromaCitrusDieselSkunkyBerryFloralTropical

Appearance

Sour Guava flowers typically present as medium-dense, spear-shaped colas. They often exhibit elongated structures with significant calyx swelling and a high calyx-to-leaf ratio. The buds can display lime to forest-green hues, sometimes with purple undertones, and feature bright apricot to tangerine pistils. A notable characteristic is the heavy frost of glandular trichomes, contributing to a sandblasted or sugar-coated appearance.

Aroma & Flavor

The aroma of Sour Guava is a complex interplay between a sharp, petrol-forward bite and a juicy, tropical sweetness. Initial notes often evoke classic Sour Diesel, with gassy and sour-citrus scents. Upon breaking apart the flowers, a lush aroma of guava, passionfruit, and sometimes melon emerges. This duality carries into the flavor profile, offering a bright, tart, and ripe taste that balances fuel-like undertones with distinct tropical fruit notes.

Effects

Sour Guava is generally described as providing a cerebral and energetic uplift, often accompanied by a sense of calm. Its effects are suitable for daytime use, offering a balanced experience that can invigorate the mind while promoting relaxation. Consumers report that the strain helps to alleviate stress.

Terpenes & Cannabinoids

This hybrid typically contains high levels of THC, often reaching up to 25%, with CBD content below 1%. The terpene profile is complex, featuring dominant volatiles that contribute to its diesel and fuel notes, alongside others that create the tropical fruit character. Key terpenes identified include Myrcene, Limonene, Caryophyllene, Linalool, Ocimene, Valencene, and Bisabolol. These compounds work together to produce the strain's distinctive aroma, flavor, and effects.

Origins & Lineage

Sour Guava is a modern hybrid with origins likely stemming from crosses between classic diesel-forward strains, such as Sour Diesel, and tropical dessert cultivars featuring guava characteristics. While a single breeder is not universally recognized, its consistent phenotype suggests a well-established genetic blueprint. The breeding theories often point to pairings like Sour Diesel with a Guava Gelato selection or a Guava-dominant Stardawg, aiming to combine pungent fuel notes with sweet tropical fruit flavors.

Growing

Cultivators report that Sour Guava exhibits moderate vigor with a stretch of 1.5-2.0x after the light flip, favoring canopy filling techniques. The internodal spacing is moderate, allowing for good light penetration and airflow. The cultivar is known for above-average resin production, making it suitable for extraction. Bud structure is typically medium-dense and spear-shaped, finishing with stacked calyxes when environmental conditions are stable.

Frequently asked questions

What is the THC content of Sour Guava?
Sour Guava typically has a high THC content, often reaching up to 25%.
What are the primary aromas and flavors of Sour Guava?
Sour Guava is characterized by a blend of pungent diesel and sour citrus notes, complemented by sweet tropical guava and berry flavors.
What effects can I expect from Sour Guava?
Consumers report that Sour Guava provides a balanced experience, often described as cerebral and energetic, while also promoting a sense of calm.
What conditions may Sour Guava help with?
Sour Guava is often reported to help alleviate stress.