Oregon’s home grow rule is easy to remember: four plants per household. Behind that simple number are details about visibility, storage, possession at home versus in public and what renters can do. Oregon voters approved Measure 91 in 2014, and the four plant cap has stayed in place through more than a decade of changes to the licensed market. This guide covers what Oregon growers need to know for 2027. It is general information for adults 21 and older, not legal advice.

Four plants per household, not per person

The most common mistake in Oregon is assuming each adult gets four plants. The limit is four plants per household, no matter how many adults live there. A house with three adults still has a four plant cap. Roommates should agree up front on who grows which plants.

The cap applies to all plants, not just mature ones. A seedling in a solo cup counts. Clones count. If you are starting extra seeds to select the best females, you need to cull down to four quickly.

Possession at home and in public

Where	Limit for adults 21+
At home	8 ounces of usable cannabis
In public	2 ounces of usable cannabis

The home limit is generous because Oregon expected home growers to harvest more than an ounce or two from each plant. Even so, four healthy outdoor plants in a good year can push past eight ounces. Plan how you will stay under the limit, which might mean growing smaller plants or giving some away legally.

Visibility and security

Oregon law prohibits growing plants in a place where they can be readily seen from a public place. Locks are not spelled out as strictly as in some states, but locking a gate, greenhouse or tent is a good practice. It keeps plants away from minors and supports the requirement to keep cannabis out of reach of anyone under 21.

Gifting

Adults may give homegrown cannabis to other adults 21 and older within possession limits, as long as nothing is exchanged. You cannot sell homegrown flower, clones or seeds without a license from the Oregon Liquor and Cannabis Commission.

Renters and landlords

Landlords can prohibit growing and smoking on their property. Many Portland area leases include a cannabis clause. Ask in writing before planting, and get the answer in writing too.

Medical grow sites

The Oregon Health Authority runs the medical marijuana program, which has separate registered grow sites with higher plant counts and different rules. If you are a patient or designated grower, those rules apply instead of the adult use cap. Medical grow site rules include tracking and reporting requirements, so do not mix adult use and medical plants without understanding the paperwork.

Growing well within a four plant cap

With only four plants, the goal is to make each one count:

• Choose strains for your region. The Willamette Valley has long, dry summers but wet Octobers. Southern Oregon is hotter and drier. Coastal areas are cool and foggy. Choose mold resistant cannabis strains if you grow west of the Cascades.
• Train for size. low stress training lets one plant fill a large space without adding plant count.
• Time the harvest. Rain in October is the biggest threat to outdoor crops. Our guide on when to harvest outdoor cannabis helps you decide when to cut.
• Consider a greenhouse. A covered structure keeps rain off buds in fall. Make sure it is not readily visible from the road.

Drying and storage

Four big plants can fill a spare room when they hang to dry. Plan a dark, ventilated space with stable humidity. Our drying temperature and humidity guide covers target ranges. Once cured, store jars in a locked cabinet.

What to watch in 2027

Oregon’s Legislature meets in a long session in odd years, so 2027 brings a full session where cannabis bills often appear. Most recent changes have focused on licensed businesses, testing and the market rather than home grow. Check the OLCC’s home grow page before you plant, and watch bill text for any change to plant counts or possession limits.

Odor and neighbors in Oregon cities

Portland, Eugene and Salem neighborhoods often have small lots. Oregon does not have a specific odor limit for home growers, but local nuisance rules can apply when odor spills into a neighbor’s yard. Outdoor plants in late flower smell strongest. Talking with neighbors early and placing plants away from property lines helps.

Record keeping for a four plant cap

Write each plant’s name, start date and stage on a card in the grow area. When one plant is harvested or removed, cross it off before starting a new seed. This simple habit prevents a fifth plant from sneaking into a seedling tray, which is the most common way growers go over the household cap.

West of the Cascades versus east

Oregon is really two growing climates. The Willamette Valley and the coast have mild summers but wet springs and autumn rain that can start in late September, which makes bud rot the top risk for outdoor flowers. East of the Cascades, Bend, Medford’s Rogue Valley edges and the high desert see hot dry days, cold nights and early frost. Many western Oregon growers choose faster finishing plants or a simple rain cover so the harvest lands before steady rain. Read when to harvest outdoor cannabis to plan around that window.

Key takeaways

• Four plants per household, not per person.
• Eight ounces at home, two ounces in public.
• Plants out of public view and away from minors.
• Gifts only, no sales.
• Plan for October rain west of the Cascades.

Browse our Oregon marijuana seeds for strains that finish before the fall rains.

Grow legally and responsibly

Home cultivation is only legal in some states, and each state sets its own plant limits, locking rules and rules about whether plants can be visible from a public place. You must be 21 or older to buy seeds from Kind Seed Co, and you should grow only where your state and city allow it. Check your state rules in our guide to the legal requirements for growing weed plants in your state before you plant. Federal treatment of cannabis seeds is also changing, so read our December 11 2026 seed rule explainer before you order. Keep plants and harvested flower locked away from children, pets and visitors, and never drive after using cannabis. This article is general information about gardening. It is not legal advice and it is not medical advice.

Frequently asked questions

How many plants can I grow in Oregon?

Four plants per household, regardless of how many adults live there.

How much homegrown cannabis can I keep at home in Oregon?

Up to eight ounces of usable cannabis at home.

Can I grow outdoors in Oregon?

Yes, as long as plants are not readily visible from a public place and your landlord allows it.

Can I sell clones in Oregon?

Not without an OLCC license. Gifts within limits are allowed.

Ready to start

Browse the full range in the Kind Seed Co shop or go straight to marijuana seeds oregon. Kind Seed Co sells only to adults 21 and older. Always follow the home grow laws where you live.