Myrcene - The Most Common Cannabis Terpene
Myrcene is the dominant terpene in approximately 40% of commercial cannabis cultivars - and is the molecule most associated with the "couch-lock" sedation profile of classic indica genetics. Understanding myrcene helps you read flower COAs, predict effects, and choose strains by terpene rather than just by indica/sativa label. We sell myrcene-dominant strains at Greenleaf Wellness - see the shop page and flower hub, and terpenes guide for the broader terpene category.
Myrcene is the dominant terpene in approximately 40% of commercial cannabis cultivars - and is the molecule most associated with the "couch-lock" sedation profile of classic indica genetics. Understanding myrcene helps you read flower COAs, predict effects, and choose strains by…
What is myrcene?
Myrcene (β-myrcene) is a monoterpene produced in cannabis trichomes, but also found in mango, hops, lemongrass, and thyme. It's a small, lipid-soluble molecule with an earthy, herbal, slightly fruity aroma. In cannabis, myrcene typically tests at 0.2–1.5% of total flower mass and is the most-abundant terpene by volume in many indica-leaning cultivars.
Strains where myrcene leads
What myrcene does
Animal studies and limited human data suggest myrcene contributes to:
The "0.5% rule" - sometimes attributed to cannabis writer Dr. Steep Hill labs - proposes that myrcene above 0.5% predicts a couch-lock effect profile. The evidence is observational rather than clinically proven, but the pattern is consistent across modern cannabis testing data. See cannabinoids explained for how myrcene interacts with the THC system.
- Body-relaxation and mild sedation
- Enhanced THC permeability across the blood-brain barrier (one popular hypothesis - limited human evidence)
- Anti-inflammatory pathway activation
- Mild analgesic effect
Practical buying tips
When you read a flower COA, scan to the terpene panel. If myrcene is the #1 terpene at >0.5%, plan an evening session - that flower will lean sedative regardless of the indica/sativa label. Conversely, if myrcene is below 0.3% and limonene or terpinolene leads, expect a more energizing profile.
Honest caveat
Terpene profiles are real chemistry but they're not deterministic. Individual response varies based on tolerance, dose, and prior cannabis experience. Myrcene is also generally regarded as safe at typical cannabis levels - it occurs in many common foods.
Buying myrcene-rich strains at Greenleaf
1730 Glendale Avenue, Sparks NV, 8 minutes from Reno. Open daily 8 AM - 10 PM, reserve. 21+ ID. Ask the budtender for the latest COA - we'll show you the myrcene line.
---
21+ only. Keep cannabis out of reach of children and pets. Cannabis cannot be transported across state lines. Do not drive after consuming.
Greenleaf Wellness is licensed by the Nevada Cannabis Compliance Board. 1730 Glendale Avenue, Sparks NV 89431. Adults 21+ only. Keep out of reach of children and pets.
More from Guide
Shop the Greenleaf Wellness Menu in Sparks NV
The Greenleaf Wellness shop menu lives here: every cannabis product currently in stock at our 1730 Glendale Avenue store in Sparks, Nevada, ...
Cannabis Flower in Sparks & Reno NV
Greenleaf Wellness stocks a regularly rotated cannabis flower selection across the Reno-Sparks metro, sourced from Nevada-licensed cultivato...
Northern Lights at Greenleaf Wellness - Sparks, NV
Northern Lights is one of the founding indica chemovars of the modern cannabis industry - a near-pure indica selected in the Pacific Northwe...
Bubba Kush at Greenleaf Wellness - Sparks, NV
Bubba Kush is a heavy-indica hybrid with a coffee-cocoa-earthy aroma and one of the most reliably sedating effect arcs in modern American ca...
Granddaddy Purple - The Bay Area Indica That Set the Purple Standard
Granddaddy Purple, also known as GDP, is a heavy indica bred by Ken Estes in the San Francisco Bay Area in 2003. The cross of Purple Urkle a...
Blue Dream - The Hybrid Strain That Built California Cannabis Culture
Blue Dream is a sativa-leaning hybrid that crosses Blueberry indica with Haze sativa. It is one of the most-purchased cultivars in U.S. recr...
Questions worth asking, answers from real budtenders.
1730 Glendale Avenue · Sparks NV · 8 AM–10 PM daily.
You must be 21 or older with a valid government-issued photo ID to purchase cannabis products at Greenleaf Wellness.
Cannabis may impair concentration, coordination, and judgment. Do not operate a vehicle or machinery under the influence of cannabis.
Greenleaf Wellness is a licensed Nevada cannabis dispensary operating under retail license D056 and cultivation license RC050, regulated by the Nevada Cannabis Compliance Board. Cannabis cannot be transported across state lines.