OregonCannabis Growing Guide
Everything you need to grow cannabis at home in Oregon. Laws, climate tips, recommended strains, and local resources.
Age Requirement
21+ years old
Plants Per Household
4 plants
Medical Patients
6 mature + 12 immature
Legal Since
July 1, 2015
Legal Overview
Oregon legalized home cannabis cultivation through the Measure 91 (Oregon Control, Regulation, and Taxation of Marijuana) on July 1, 2015.
What's Allowed
- •Growing up to 4 plants per household (recreational)
- •Medical: 6 mature + 12 immature plants with OMMP card
- •Possessing all cannabis produced by your plants
- •Processing your harvest for personal use
Not Allowed
- •Exceeding 4 plants per household (recreational)
- •Growing plants visible from public areas without binoculars
- •Selling cannabis from your home grow
- •Growing if you're under 21 years old
Location Requirements
Where and how you can legally grow cannabis in Oregon.
Not Publicly Visible
Cannabis plants cannot be visible from a public place without the use of binoculars, aircraft, or other optical aids.
Secure Area
Plants should be in a reasonably secure area to prevent unauthorized access.
On Your Property
Cultivation must take place on property you own or rent (with landlord permission).
Making Concentrates
Rules for making cannabis concentrates and extracts in Oregon.
Allowed Methods
- •Rosin pressing
- •Ice water hash
- •Dry sift
- •Infusing with food-safe oils
Prohibited Methods
- •Butane (BHO extraction)
- •Propane
- •Other volatile solvents
Important: Volatile solvents (butane, propane, etc.) are prohibited for home extraction in Oregon. Stick to solventless methods like rosin pressing and ice water hash.
Renting? Important Considerations
What renters in Oregon need to know about home cultivation.
- ⚠️Landlords can prohibit cannabis cultivation
- ⚠️Many Portland apartments have no-cannabis policies
- ⚠️Review your lease for cannabis-related clauses
Compliance Tips
Best practices for staying compliant with Oregon cannabis laws.
✓Household Limit
Oregon allows 4 plants per household regardless of the number of adults. Not per person, per household.
✓Medical Expansion
Oregon Medical Marijuana Program (OMMP) patients can grow 6 mature + 12 immature plants. Consider getting a card for expanded limits.
✓Pioneer State
Oregon was among the first to legalize and has a mature cannabis culture. Portland is especially cannabis-friendly.
Climate & Growing Season
USDA Zone
USDA Zones 4b-9b
Outdoor Season
May - October
Last Frost
April - May
First Frost
October - November
Outstanding outdoor growing conditions with long seasons and ideal climate.
Oregon's climate varies dramatically. The Willamette Valley (Portland area) is wet and cool, favoring mold-resistant strains. Southern Oregon (Medford, Ashland) is drier with more sun - excellent for outdoor cannabis. Eastern Oregon is high desert. Choose strains appropriate for your region.
Recommended Strains for Oregon
These strains are particularly well-suited for growing in Oregon's climate.
Frequently Asked Questions
How many cannabis plants can I grow in Oregon?
Oregon allows 4 plants per household for recreational users. Medical (OMMP) patients can grow 6 mature + 12 immature plants.
Can I grow cannabis outdoors in Oregon?
Yes, outdoor growing is allowed as long as plants aren't visible from public places. Oregon's climate is excellent for outdoor cannabis, especially in southern Oregon.
When did Oregon legalize cannabis?
Oregon voters approved Measure 91 in November 2014. The law took effect July 1, 2015.
Can I grow more plants with a medical card?
Yes. Oregon Medical Marijuana Program (OMMP) patients can grow 6 mature + 12 immature plants, significantly more than the 4-plant recreational limit.
Nearby Legal States
Compare laws in your region
Ready to Start Growing in Oregon?
Check out our complete growing guide and equipment recommendations.