28+ Shrub Spiraea Douglasii

It occurs most often in riparian habitat types such as swamps streambanks bogs and mudflats.

Shrub spiraea douglasii. Spiraea douglasii commonly called western spirea steeple bush or hardhack is a deciduous clump forming shrub that will spread by suckers to form colonies over time. Spiraea douglasii western spirea noted for its vigor spiraea douglasii western spirea is a clump forming suckering shrub with narrowly oblong leaves that are dark green above velvety white underneath and turn yellow in fall. It spreads by rhizomes and is very aggressive it often forms dense colonies and can quickly become the dominant species in a wetland habitat. It typically grows 4 6 tall. Spiraea douglasii is native to western north america from alaska across southwestern canada and the pacific northwest. It was introduced to europe where it is considered invasive. Many stemmed fast growing rhizomatous deciduous shrub with shiny green leaves that are oval and toothed toward the tip and white woolly beneath.

Rose spirea subordinate taxa. Douglas spiraea has also been found growing in isolated counties of colorado missouri and tennessee.