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We are one of the world's largest private owners of timberlands. In the U.S., we own or have long-term leases on more than 13 million acres of private timberlands in the Pacific Northwest, the Northeast and the South. In Canada, we manage millions of acres of publicly owned land under long-term licenses. Our entire timberland portfolio is certified to third-party sustainable forestry standards.

We responsibly manage our forests to ensure a sustainable supply of wood for our customers, today and in the future, while protecting the other important benefits they provide. We understand the importance of being a responsible forest owner and we've been at it for a long time:

  • We advocated for legislation to incent reforestation in 1925, which was an uncommon practice at the time.
  • In 1937, we began research into sustainable yield forestry, which ensures harvesting doesn't diminish the forest's ability to provide the same volume in the future.
  • We were one of the first companies to plant tree seedlings by hand in 1938. A new crop was born and Weyerhaeuser's tree-planting era began.
  • In 1941, we established the first certified tree farm in the United States. It was located on 120,000 acres of harvested and fire-burned land in Washington state.


Today, we practice intensive silviculture to improve forest productivity, including planting seedlings to reforest harvested areas and monitoring and caring for these planted trees as they grow to maturity.

We harvest a small amount, only about 2 percent, of our forests each year. This means we have millions of acres of forests at various ages and stages of regrowth at all times. We reforest nearly 95 percent of our harvest sites within two years and rely on natural regeneration for the remaining sites.

We have robust internal policies and management systems to guide our sustainable forestry, most notably our Sustainable Forestry Policy.

We know sustainable forestry requires continuous improvement based on sound science and innovation and we routinely invest in research and partner with others to help us improve our activities on the ground.


Our working forests also provide unique environmental, cultural, historical and recreational value. We work hard to protect these and other qualities, while still managing our forests to produce financially mature timber.

We know our forests are expected to provide habitat for wildlife, functioning and healthy ecosystems for clean air and water, access for recreation, and other ecosystem services.

View our sustainable forest management data


 We think this video, produced by forestinfo.org, is a great and fun introduction.


Working forests and the return of the North American Fisher

The North American fisher, a forest-dwelling mammal related to minks, martens and weasels, is making a comeback in the Pacific Northwest — with some help from us.

In 2016, we designated 3 million acres of timberlands — nearly our entire holdings in the region — to support ongoing conservation efforts focused on reintroducing the fisher back into its historical range.

For the fisher, we agreed to limit forest-management activities, including harvesting within a quarter-mile of active fisher dens on our property. We'll also provide financial and in-kind contributions to organizations that support fisher conservation in the region.

Whether you see a fisher or not, there's no doubt that we, and other private landowners, — in collaboration with a variety of public and private entities — will be doing our best to ensure the fisher makes a comeback.

It's just one example of how working forests and the companies who manage them provide create economic value while also help protect species and promote biodiversity.

Quillwort image.jpg

Photo: U.S. Fish and Wildlife Service - Georgia Ecological Services Offices 


Making a home for the mat-forming quillwort

Over the past decade, our biologists, foresters and scientists have worked to create habitat for the mat-forming quillwort, a rare, at-risk plant that grows in shallow pools on granite outcrops.

Helping the endangered Georgia native is just one of many examples of our conservation efforts in the state, many conducted in partnership with government agencies.

For our conservation efforts, we were one of three companies honored by Georgia's Governor, Nathan Deal, as a 2016 partner of Georgia's Forestry for Wildlife Partnership program, a public-private collaboration that promotes sustainable forestry and wildlife conservation.

Through this partnership, we've had great success supporting over ten at-risk species on about 1 million acres of our forests, nearly 800,000 of these acres owned by us.