The Weed Street Journal

Cannabis Culture; Marijuana News and Educational Content

How Much Weed Can You Buy in Portland? Oregon Purchase and Possession Limits


Adults 21 and over can buy up to 2 ounces of flower, 10 grams of extracts or concentrates, 10 grams of vape products, 16 ounces of solid edibles and 72 fluid ounces of liquid products per day at an Oregon dispensary. You may carry up to 2 ounces of flower in public and keep up to 8 ounces at home. OMMP medical patients can buy up to 8 ounces of flower a day.

A typical legal purchase: flower, pre-rolls, edibles and a cartridge — Purchase limits in Portland, OR
A typical legal purchase: flower, pre-rolls, edibles and a cartridge.

Daily Purchase Limits (Recreational, 21+)

Under OAR 845-025-2800, a retailer may not knowingly sell more than these amounts to one person in a day:

  • 2 ounces of usable marijuana (flower)
  • 10 grams of cannabinoid extracts or concentrates
  • 10 grams of cannabinoid products intended for inhalation (vapes)
  • 16 ounces of cannabinoid products in solid form (edibles)
  • 72 fluid ounces of cannabinoid products in liquid form
  • 4 immature plants
  • 10 seeds

Possession Limits

Under ORS 475C.337, adults 21 and over may possess:

  • Up to 2 ounces of usable flower in a public place
  • Up to 8 ounces of usable flower in total, at home
  • Up to 16 ounces of solid products, 72 ounces of liquid products and 1 ounce of extracts

Extracts must be bought from a licensed retailer.

Medical Patient Limits

OMMP cardholders and their caregivers can buy up to 8 ounces of usable flower per patient per day and no more than 32 ounces per calendar month, tax-free, at dispensaries registered for medical sales. See medical marijuana in Portland.

Oregon vs Washington Limits

Oregon’s limits are about double Washington’s: 2 ounces of flower a day against 1 ounce, and 10 grams of concentrates against 7. But you cannot take Oregon cannabis into Washington — crossing a state line with cannabis is illegal under federal law.

Oregon Purchase Limits FAQ

How much weed can you buy in Oregon in one day?

Adults 21 and over can buy up to 2 ounces of flower, 10 grams of concentrates, 10 grams of vape products, 16 ounces of solid edibles and 72 fluid ounces of liquids per day, under OAR 845-025-2800.

How much weed can you carry in public in Oregon?

Up to 2 ounces of usable flower in a public place, under ORS 475C.337. Using it in public is still a Class B violation.

How much weed can you keep at home in Oregon?

Up to 8 ounces of usable flower, plus up to 16 ounces of solid products, 72 ounces of liquid products and 1 ounce of extracts, under ORS 475C.337.

Can you buy 2 ounces at once in Portland?

Yes. The 2-ounce flower limit applies per person per day, so you can buy it in one visit or spread it across several stores, as long as your daily total stays within the limit.

How much can medical patients buy in Oregon?

OMMP cardholders can buy up to 8 ounces of flower per day and 32 ounces per calendar month, tax-free, at dispensaries registered for medical sales.

Store hours, ratings and details were checked against state license records and each store’s Google Business Profile on October 13, 2026. Featured placements, where shown, are paid and labelled. Corrections: contact us.