[PDF] NATIVE PLANTS AND TREES OF OREGON

Where are plants native to Portland?

This booklet primarily includes plants native to the Portland metropolitan area, which is mostly in the Willamette Valley ecoregion. Some plants listed are native to elsewhere in the Willamette Valley and a few from elsewhere in the Coast Range and Cascades ecoregions. See the map at right and the key on page 8 to learn where each plant is native.

What does PPL mean on the Oregon Plant List?

**Plants listed with “PPL” above the Oregon icon are historically identified as native to the area within about 15 miles of the center of Portland and are included in the Portland Plant List(see map on page 4). Complete botanical references are listed under Resources on page 46.

What is native plants for Willamette Valley yards?

Native plants for Willamette Valley yards is a collaborative effort This fully-revised and expanded resource, originally created by Metro, is the result of a broad collaboration led by the Adult Conservation Educators working group (ACE).

What is the best cover crop for Western Oregon?

An excellent winter cover crop for western Oregon is crimson clover. Plant ½ pound of seed per 1,000 square feet. Plant no later than October 1 and water the bed so the crop is estab- lished before cold weather sets in. When tilled under in late April, crimson clover will produce 3 to 4 pounds of nitrogen per 1,000 square feet.