The Leaf Index
Vol. IA field guide to cannabis cultivarsleafly.cc
No. 0654Indica

Mr 420k by Mr Hide Seeds

Unknown × Unknown

Mr. 420K is an indica-leaning hybrid developed by Spanish breeder Mr. Hide Seeds. It is recognized for its high resin production, dense bud structure, and potent effects, making it a popular choice for connoisseurs.

EffectsEuphoric
May help withPain
AromaCitrusHerbalLemonPepperyWoody

Appearance

Mr. 420K produces compact, resin-rich buds that often display deep green coloration, sometimes with violet or plum accents under cooler temperatures. The calyxes form dense clusters with a favorable leaf-to-calyx ratio, making them relatively easy to trim. Thick blankets of trichomes cover the buds and sugar leaves, contributing to significant bag appeal.

The plant structure is typical of indica-dominant hybrids, featuring tight internodes and rapid lateral branching, forming dense, heavy colas. Pistol colors can range from bright tangerine to bronze as harvest approaches, contrasting with the dark green bracts. Anthocyanins may introduce purple hues in cooler night conditions.

Aroma & Flavor

The aroma of Mr. 420K is characterized by a prominent peppery top note, followed by citrus and lemon zest accents. Underlying these are herbaceous notes, described as similar to bay leaf or oregano, with a faint tea-like greenness. A subtle woodiness, reminiscent of cedar or sandalwood, emerges upon breaking apart the buds.

The flavor profile closely mirrors the aroma, leading with black pepper and lemon peel during the initial draws. A savory herbal quality is present, and a slight sweetness can be detected. The aroma tends to linger, making proper storage important.

Effects

Mr. 420K is noted for delivering a potent and immediate impact, often beginning with a keen, euphoric lift. This initial cerebral stimulation typically settles into a heavier, more profound body stone. The strain is described as having hybridized effects that start quickly and transition into a deeply relaxing sensation.

Terpenes & Cannabinoids

Mr. 420K typically tests around 20% THC with less than 1% CBD. Based on its aroma and effects, it is inferred to be rich in beta-caryophyllene, limonene, myrcene, and humulene. These terpenes contribute to its peppery, citrus, and herbal scent and flavor profile, and are associated with its observed effects.

Growing

As an indica-dominant hybrid, Mr. 420K exhibits a compact structure with tight internodes and rapid lateral growth, making it manageable indoors. It is known for predictable morphology, short vegetative cycles, and moderate stretch after the light flip, typically 30-60%. The strain is described as having straightforward feeding behavior and good vigor.

It is well-suited for growers in Mediterranean and temperate climates. The dense bud structure and high resin production contribute to significant bag appeal. Harvest typically occurs around seven to nine weeks, with sticky trichome coverage indicating maturity.

Origins & Lineage

Mr. 420K was developed by Mr. Hide Seeds, a Spanish breeder recognized for creating compact, high-resin, and potent cannabis cultivars. While the exact parentage is not publicly disclosed by the breeder, community reports and its indica-dominant traits suggest a lineage possibly involving classic Afghani and Kush varieties.

The strain gained popularity in Europe before appearing in North America, valued for its bag appeal, speed, and balanced effects. Its name suggests an intention towards high potency and significant resin output, aligning with modern breeding standards for both flower and solventless extractions.

Frequently asked questions

What is the THC content of Mr. 420K?
Mr. 420K typically contains around 20% THC.
What are the dominant terpenes in Mr. 420K?
Based on its aroma profile, dominant terpenes are believed to include Myrcene, Limonene, Caryophyllene, and Humulene.
What kind of effects does Mr. 420K provide?
Mr. 420K is known for delivering a euphoric lift that transitions into a heavy body stone.
Is Mr. 420K suitable for beginners?
Yes, its manageable growth traits and predictable structure make it a relatively straightforward strain for growers.