Sorbaria Species, Ash Leaf Spirea, False Spiraea, Ural False Spiraea

Extremely winter hardy. A tough but very aggressive spreading/suckering shrub with attractive white flowers in summer.

I'...Read Mored be reluctant to plant this where many alternatives are available, but this is commonly grown and considered a valuable landscape plant in northern New England and the St. Lawrence valley. It should be planted where its spreading is confined by a root barrier, paving, or mowing.

You can rejuvenate this by cutting it to the ground in spring.

I love the look of this shrub but will not grow it again because of it's constant suckering several feet away from the main shrub which t...Read Moreends to get woody looking after awhile. This spring it's going to be replaced!

This species loves to suckering. So it is not the best when combined with other garden plants but preferable to be a island of its own. O...Read Moren the University of Minnesota St. Paul Campus they have a island of this species and they cut it back to the ground every year and it comes back to 4 to 5 feet tall. I also see it sometimes in the average person's backyard but it is uncommonly used. It is more often used in roadside planting as it is tough and spreads to large sizes in time but slowly.

It have flowers that look like white astilbe when it blooms in mid summer (late June to July) which most other woody shrubs doesn't bloom. It will grow to 5 to 10 feet if untrimmed.

If you see shrubs that blooms in June/July that have white astilbe - like flowers this may be it.

I just love this plant! It is in bloom here in upstate NY in early July. It also makes a great privacy hedge, at least in summer. I just ...Read Moreadded another cultivar of this plant, one that has copper-colored foliage. The rhizomatic spread is not a problem; just cut it and plant it elsewhere.