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Oswego Lake Watershed Council

The mission of the Oswego Lake Watershed Council is to foster stewardship, education, participation, and financial support for the purpose of the conservation, restoration, enhancement, and maintenance of watershed functions that achieve and sustain a healthy watershed.

Dealing with the Aftermath of Winter Storms

In light of the recent storm, our hearts go out to the 30+ residents who have had trees fall on their homes, and hundreds more whose homes have been damaged by tree limbs and freezing pipes.

Click here for some tips and resources for folks dealing with the fallout of fallen and damaged trees.


heritage Redwood in the snow

Tribal Histories of the Willamette Valley 

Join OLWC and Friends of Tryon Creek for an evening with Oregon local Indigenous historian David G. Lewis. David will be giving a presentation on his new release Tribal Histories of the Willamette Valley and answering audience questions. 

Where: Tryon Creek Nature Center
When: Tuesday, March 5th 6-8pm
Free to the public! Books will be available to purchase and you can preorder here.
Save your seat by clicking HERE to register! 

Winter Volunteer Opportunities

LOHS Campus Stewardship with LOHS Green Team
February 24th, 2024 10:00am-12:00pm

Monthly Work Party at Westlake Oak Woodland
March 16, 2024 10:00 am – 12:00 pm

View our scheduled event calendar for details about registration.

Check out the recording for This IS Kalapuyan Land, a virtual talk with Steph Littlebird, an indigenous writer and artist, and curator of a physical and online history, culture, and land acknowledgment exhibition of the Kalapuyan peoples. The recording includes Steph’s process of annotating panels from the museum’s prior exhibit on Kalapuyan peoples and curating contemporary Native artwork into the exhibition. 

Scotch Broom

Weed of the Month: Scotch Broom

Scotch broom  (Cytisus scoparius) is one of the most damaging weeds in Oregon. A recent analysis of the economic impact of noxious weeds in Oregon found that Scotch broom alone results in a loss of $39.5 million in personal income to Oregonians.  Unfortunately, as a class B noxious weed Scotch broom is a relatively widespread invasive weed in our area.

Originally introduced as an ornamental shrub and as a dune stabilizer Scotch broom is now one of our most widespread weeds.


A field of Trilliums

2024 Local Native Plant Sales

Whether you’re planting or planning, good things to know!

Click on the image above to find local sources of native plants, including local plant sales, as well as retail, wholesale and native plant seed suppliers.

For more resources including what plants to use for different conditions (sunny & dry, shady & wet, etc.), you may want to also look HERE.