The Leaf Index
Vol. IA field guide to cannabis cultivarsleafly.cc
No. 5854Sativa

Major Tam by Inflorescences Of Scotland

Unknown Sativa

Major Tam is a sativa-dominant cultivar developed by Inflorescences of Scotland, a breeder focused on creating resilient plants for cool, maritime climates. This strain is noted for its complex aromatic profile and its ability to provide focused, upbeat effects, making it suitable for daytime use.

EffectsFocused
AromaCitrusCreamEarthyGrapeGrapefruitHerbalLavenderLemon

Appearance

Major Tam typically grows to a medium-tall height with significant upward stretch, characteristic of its sativa genetics. It features narrow to medium-width leaflets and develops long, tapering flower spears with a moderate calyx-to-leaf ratio. Buds can be slightly looser in citrus-leaning phenotypes or stack more tightly in herbal-leaning ones, with abundant glandular trichomes giving a frosty appearance by mid-flower. Coloration ranges from olive to lime green, with occasional faint lavender or silver hues on sugar leaves under cooler temperatures, and pistils mature from cream to burnt orange.

Aroma & Flavor

The aroma profile of Major Tam is commonly described as complex, often featuring citrus and herbal notes. Underlying scents can include hints of lavender, cream, and earthiness, contributing to a multi-layered olfactory experience. The flavor follows suit, presenting a blend of citrus, grapefruit, and lemon, often complemented by herbal and creamy undertones, with some users detecting a subtle grape-like sweetness.

Effects

Major Tam is recognized for delivering a functional, sativa-leaning high. Users often report feeling more focused and experiencing an upbeat mental clarity, making it a suitable choice for daytime activities. The effects are generally described as brisk and head-forward, aligning with its sativa-dominant heritage and breeding for clarity and utility.

Terpenes & Cannabinoids

While specific laboratory panels are not widely publicized, grower observations suggest a terpene profile rich in limonene, caryophyllene, myrcene, and pinene. These terpenes contribute to the strain's distinct citrus, herbal, and earthy aromatic qualities. The THC content typically ranges from 18-20%, with CBD levels below 1%, positioning it as a moderate-potency option focused on aromatic complexity and functional effects rather than extreme cannabinoid levels.

Growing

Developed for resilience in cool, humid climates, Major Tam exhibits vigor and late-season hardiness. Its growth habit is sativa-dominant, with significant stretch and long internodes. Flower structure tends towards spear-shaped colas, with bud density varying between phenotypes. Growers should monitor humidity during late bloom, especially with denser phenotypes, to mitigate mold risk. The strain is noted for its garden-ready frame, making it adaptable for various cultivation setups.

Origins & Lineage

Major Tam was developed by Inflorescences of Scotland, a breeder specializing in small-batch, climate-adapted cultivars. While precise parentage is proprietary, its morphology suggests influence from Haze or tropical sativa genetics, stabilized with genetics adapted for shorter growing seasons and resilience. The strain emerged from a breeding philosophy emphasizing reliable garden performance, complex aromatics, and functional sativa effects, rather than solely pursuing high THC percentages. It represents a craft-breeding approach tailored to challenging environments.

Frequently asked questions

What is the THC and CBD content of Major Tam?
Major Tam typically contains 18-20% THC and less than 1% CBD.
What are the dominant aromas and flavors of Major Tam?
Major Tam is known for complex aromas and flavors, commonly described as citrus, herbal, earthy, with notes of cream, grapefruit, lavender, and lemon.
What effects can I expect from Major Tam?
Major Tam is reported to provide focused, upbeat, and clear-headed sativa effects, suitable for daytime use.
What is the origin of the Major Tam strain?
Major Tam was developed by Inflorescences of Scotland, a breeder known for adapting cannabis strains to cool, maritime climates.