The Leaf Index
Vol. IA field guide to cannabis cultivarsleafly.cc
No. 1963Indica

Key Lime Runtz

Runtz × Key Lime Pie

Key Lime Runtz is a modern indica-dominant hybrid cultivar that emerged in the early to mid-2020s. It is recognized for combining the candy-like sweetness of Runtz with the sharp citrus notes of Key Lime Pie. This strain is sought after for its layered flavor profile and balanced effects.

AromaCitrusCreamyHerbalMintCandyLimeFuelVanilla

Appearance

Key Lime Runtz typically produces dense, medium-sized flowers that can be golf-ball shaped or taper to a spear. It is characterized by a heavy trichome coating, giving it a frosted, sugar-dusted appearance. Under cooler temperatures, purple and lavender hues may develop in the sugar leaves and outer bracts, contrasting with lime-green cores, violet tips, and orange pistils. The buds often have a glassy sheen from intact capitate-stalked trichomes.

Aroma & Flavor

The aroma of Key Lime Runtz is often described as candied lime zest with hints of vanilla cream, complemented by notes of orange rind and a subtle herbal-mint undertone. A base of soft fuel and cookie dough adds complexity, evoking a lime custard over a faint gas aroma. Upon breaking apart the flower, the citrus notes become more pronounced.

Flavors mirror the aroma, presenting a dominant candied lime zest profile with creamy, citrus, and sweet candy notes. Underlying herbal and minty nuances, along with a faint fuel character, contribute to its layered taste, often likened to lime custard with a creamy, gassy finish.

Effects

Key Lime Runtz is bred to provide balanced effects, leaning towards indica-dominant relaxation while promoting a creative and uplifted headspace. Consumers may experience a sense of calm and mental clarity, making it suitable for various activities.

Terpenes & Cannabinoids

While specific lab results vary, strains in the Runtz family often exhibit terpene totals between 1.5% and 3.0%. Dominant terpenes commonly found include Limonene, Caryophyllene, and Linalool. Other terpenes that may be present include Myrcene, Humulene, Ocimene, Nerolidol, and Valencene. The THC content is typically around 20%, with CBD levels below 1%.

Growing

The anticipated flowering time for Key Lime Runtz is between 9 to 10 weeks. It exhibits moderate growth, with an expected stretch of 1.5 to 2.0 times after the light flip, producing elongated, cola-dominant flower structures. The strain is noted for its strong resin production, making it potentially suitable for solventless extraction.

Origins & Lineage

Key Lime Runtz is generally understood to be a cross between Runtz and a Key Lime Pie phenotype. Runtz, itself a hybrid of Gelato and Zkittlez, contributes candy, cream, and tropical notes. Key Lime Pie, a lime-forward variation of Girl Scout Cookies, brings lime-zest, minty-spice, and faint fuel undertones. This combination aims to create a cultivar with a distinct lime-custard candy profile.

Frequently asked questions

What is the THC content of Key Lime Runtz?
Key Lime Runtz typically contains around 20% THC, with CBD levels usually below 1%.
What are the dominant terpenes in Key Lime Runtz?
Commonly dominant terpenes include Limonene, Caryophyllene, and Linalool, contributing to its citrus, spicy, and floral notes.
What is the flavor profile of Key Lime Runtz?
Key Lime Runtz offers a flavor of candied lime zest with creamy, sweet candy notes, and subtle hints of mint and fuel.
What are the expected effects of Key Lime Runtz?
This strain is known for promoting a sense of calm, creativity, and an uplifted mood.