The Leaf Index
Vol. IA field guide to cannabis cultivarsleafly.cc
No. 6318Indica

Mastodon by Oregon Green Seed

Afghan-influenced hybrid (suggested)

Mastodon is a mostly indica cannabis strain developed by Oregon Green Seed, recognized for its resilience and dense flower production. It is cultivated for its heavy-handed effects that promote body relaxation, making it a choice for evening use.

EffectsCalming Relaxing Sedative
May help withStress Sleep
AromaEarthyHashySpicyPineCoffeeCocoa

Appearance

Mastodon plants are typically medium-short with a stout main stem and tight internode spacing, resulting in a compact canopy. The broad leaves mature to dark green hues. In bloom, the strain develops dense, chunky colas with high calyx density and significant resin production that extends to the sugar leaves. Some phenotypes may display subtle purple or blue-gray tints under cooler temperatures. Dried flowers are firm and weighty, often described as pebble-like, with medium to large bud sizes.

Aroma & Flavor

The dominant aroma of Mastodon is earthy and hash-forward, featuring a warm spice matrix reminiscent of Afghan-derived strains. Initial notes can include damp forest floor, cracked pepper, and hints of cocoa or coffee husk, often with a gentle pine top note. Upon curing, a second wave of fuller aromatics emerges, suggesting a complex terpene profile. Flavors often mirror the aroma, presenting as earthy, spicy, and sometimes peppery with subtle hints of coffee and orange.

Effects

Mastodon is known for its heavy-handed effects that lean toward body relaxation. Consumers typically seek this strain for evening use, aiming for stress relief and support for sleep. The overall experience is characterized by a calming sensation, consistent with many indica-dominant varieties.

Terpenes & Cannabinoids

While detailed public lab data is limited, the aroma profile suggests a terpene ensemble led by myrcene and beta-caryophyllene, with supporting roles from humulene and limonene. Pinene may also be present. The THC content typically ranges from 15-25%, with CBD levels below 1%.

Growing

Mastodon is noted for its straightforward cultivation and resilience, particularly in the Pacific Northwest's climate. It exhibits fast vegging, rapid canopy fill, and predictable flowering times, usually within an 8–9 week window. The plant's structure lends itself to topping and low-stress training, forming a stout central cola with uniform secondary tops. Its strong stems and mold resistance benefit both indoor and outdoor growers. The dense buds and high calyx-to-leaf ratio simplify trimming.

Origins & Lineage

Developed by Oregon Green Seed, Mastodon is identified as a mostly indica cultivar. While a specific named-parent pedigree has not been widely publicized, its characteristics suggest an Afghan-influenced hybrid, possibly with Northern Lights-style structure. Oregon Green Seed focuses on functional, stable genetics adapted for cooler, wetter climates, often utilizing hardy indica building blocks like Afghan and Pakistani broadleaf lines known for resin density and sedative effects. The breeder's intent emphasizes resilience and practical performance over novelty.

Frequently asked questions

What is the THC content of Mastodon?
The THC content of Mastodon typically ranges from 15-25%.
What are the primary aromas and flavors of Mastodon?
Mastodon is primarily known for its earthy and hash-forward aroma, with notes of spice, pine, coffee, and sometimes orange. The flavors often mirror these aromas.
What effects can I expect from Mastodon?
Mastodon is known for its heavy-handed effects that promote body relaxation and calmness, often sought for evening use and sleep support.
Is Mastodon suitable for beginner growers?
Yes, Mastodon is considered straightforward to grow, known for its resilience, predictable flowering, and manageable plant structure, making it suitable for various cultivation experience levels.