Is weed legalized in Washington? This is a fairly reasonable question if you’re part of the 420 community. The truth is that weed laws all across the United States are constantly changing. 


Today, there are more cannabis advocacy groups than ever before. They’re constantly pushing for different forms of legalization. As a result, several states have now adopted marijuana use in some capacity. 


Read on to find out more about the cannabis laws in Washington state. We explore recreational and medical use and possession, cultivation, and consumption limits.

is weed legal in washington


History of cannabis legalization in Washington

The Evergreen State isn’t new to cannabis usage by its residents. Below is a breakdown of some Washington weed laws seen over the years:


  • 1845: The first recorded instance of marijuana use in Washington state by a group of settlers. 
  • 1900s: Marijuana becomes more widespread for recreational and medicinal uses.
  • 1912: Washington state makes it illegal to possess or sell marijuana.
  • 1971: The state decriminalizes the possession of small amounts of cannabis. It’s classified as a misdemeanor instead of a felony.
  • 1998: Washington voters approve state Initiative Measure No. 692. It caters to qualifying medical marijuana patients and designated care providers. It gives them access to a 60-day supply of medical marijuana. 
  • 2012: Washington becomes one of the pioneering states to legalize adult-use cannabis. Initiative 502 formed part of Washington’s recreational weed laws.
  • 2015: The state passes two cannabis laws. One is the Cannabis Patient Protection Act (SB 5052). The other is the Marijuana Taxation Reform (HB 2136).
  • 2017: The state passes SB 5131. It provides a slight improvement to Washington’s medical cannabis market.


What are the marijuana laws in Washington?

Weed is legalized in Washington for medical purposes. It was also one of the first states in the USA to permit weed for recreational purposes.


Cannabis is regulated by the state’s Liquor and Cannabis Board. It’s responsible for establishing zoning requirements and other rules for cannabis plants.


Here are some of the cannabis laws you should know about in Washington state:


  • Consumers must be 21 years and older to purchase marijuana.
  • It’s illegal to sell or give cannabis to minors.
  • It’s illegal to take marijuana out of the state.
  • You don’t have to be a resident to enjoy recreational weed in Washington.
  • It’s illegal to purchase marijuana products from unlicensed establishments in Washington state.
  • Retailers can’t set up shop within 1,000 of some institutions. These include a child care center, elementary school, library, or public park.
  • It’s illegal to take marijuana products onto cruise ships or federal land.
  • Driving under the influence of marijuana is illegal. The Washington weed rules permit no more than 5 nanograms of active THC per ml of blood. Breaking this limit can lead to significant legal penalties.


Let’s explore each cannabis category more in-depth.

cannabis in washington


Possession in the state is limited to an ounce of cannabis. Anything above that is punishable with both jail time and fines. The legal amount is 16 ounces for solid products and 72 ounces for liquid products. 



Consumption of weed must be done privately in Washington state. You may not take weed-infused products in view of the general public.



You can’t cultivate recreational marijuana in Washington state. This goes for private individuals, processors, and dispensaries. A growing operation can lead to big fines or jail time. 


It’s possible to get permission to grow medical cannabis at home. Authorized producers of cannabis seeds in Washington state are also allowed. They deliver their harvest to official dispensaries.

Restrictions and limits

Washington was among the first states to spearhead the legalization of recreational marijuana. It also permits medical use. Nonetheless, there are still some restrictions and limits to consider.


How many grams of weed can I possess in Washington?

In the Evergreen State, it’s legal for adults 21 or older to possess up to 1 ounce (28.35 grams) of smokable marijuana. Other limits include up to:


  • 16 ounces (453 grams) of marijuana-infused products in solid form, like brownies
  • 72 ounces (2,041 grams) of marijuana-infused products in liquid form, like tea
  • 0.25 ounces (7 grams) of marijuana concentrate


Can I grow cannabis in Washington?

Growing cannabis in Washington state requires medical authorization or a producer’s license. It’s illegal to cultivate 50% THC seeds and other seed types for recreational purposes.


Is recreational marijuana legal in Washington? 

Recreational weed is legal in Washington for adults over the age of 21. You can purchase buds from licensed dispensaries and consume strains high in CBD and THC.

marijuana laws in washington

Where can I buy cannabis seeds legally in Washington?

Buying cannabis seeds in Washington is only possible for souvenir purposes. You can’t plant them until the state legalizes at-home cultivation. Those with a producer’s license or a stamp of approval from their doctor are the exception.


With our supreme seeds, you get access to a range of high-quality cannabis seeds. Choose from feminized, autoflower, and regular seeds. We offer seeds high in CBD and THC, and so much more.


Browse online and order seeds for when at-home cultivation is legal in Washington.

Key takeaways

Weed became legal in Washington in 2012 for adult-use. Up to one ounce is permitted for possession. Purchase products from state-licensed dispensaries. Medical consumers with a qualifying condition have had access to weed since 1998. 


Citizens still can’t grow weed seeds at home. Only licensed producers and users who possess a recommendation from their physician can cultivate medical seeds of weed.


There are a host of regulations surrounding the 420 industry. Learning about Washington’s legislation ensures you stay on the right side of the law.


Frequently asked questions

Do you have more questions about pot legality in Washington? Check out our answers to some of the common queries.


Is there any difference between drug laws in Washington state and Washington D.C.?

The laws are primarily the same, with a few exceptions. In Washington D.C., individuals over 21 can possess a maximum of two ounces of marijuana. Residents can cultivate up to six plants in their primary residence without penalty. Only three crops can mature at a time.


Can you consume marijuana in public areas in Washington?

Consumption of marijuana in public places, like parks, schools, or buses, is banned. You can only consume marijuana on private property.


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