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Scotch Thistle

Scotch thistle was introduced to the United States in the 1800s as an ornamental plant from the Mediterranean region. It is a noxious weed in Idaho, Oregon, and Washington. Scotch thistle can form dense, ...

Matthew Schuster, Timothy S. Prather | Jun 2023 | Extension Catalog publication Peer reviewed (Orange level)

Vegetated Roofs: Low-impact development fact sheet

Growing a garden on your roof is an attractive alternative building method, but there's a lot to know before you start hauling soil to the top floor. Learn how vegetated roofs, also known as "green" roofs, can play an elevated role in the low-impact development landscape.

Maria Cahill, Derek Godwin, Jenna Tilt | Aug 2022 | Extension Catalog publication Peer reviewed (Orange level)

Infiltration Testing: Low-impact development fact sheet

One of the first steps in siting a low-impact development facility is infiltration testing. Infiltration tests estimate the rate at which runoff will infiltrate, or pass through, native soil. An infiltration test, ...

Maria Cahill, Derek Godwin | Aug 2022 | Extension Catalog publication Peer reviewed (Orange level)