Definition of spirea. 1 : any of a genus (Spiraea) of deciduous shrubs of the rose family with small usually white or pink flowers in dense racemes, corymbs, cymes, or panicles. 2 : any of several garden plants resembling spireas; especially : a shrub (Astilbe japonica) of the saxifrage family.
https://www.merriam-webster.com/dictionary/spirea
Mpls/St. There is such an amazing array of spirea available to use in the landscape that the choices can be overwhelming. In fact, there are over 80 species and some of those species have dozens of varieties. There are many old-fashioned favorites among the spirea as well as many newly developed favorites.
http://www.bachmans.com/Garden-Care/divHomePage.html?cnb=GardenCare&categoryCode=02&pageIndex=_pageIndexToken_spireas
Image by Cliff. Novice and experienced gardeners alike love spirea bushes (Spiraea) for their eye-catching beauty, fast growth rate, hardiness and ease of care. Spirea shrubs are deciduous shrubs that can be divided into two categories: spring blooming and summer blooming.
https://www.gardeningknowhow.com/ornamental/shrubs/spirea/growing-spirea-shrubs.htm
Spiraea tomentosa, the native Hardhack Spirea of the eastern United States, is. a weedy, three foot high shrub with poor foliage, possibly looking well. in old. cow. pastures where it is native but suited for little else than in naturalistic plantings. It is listed by only. a few United States nurseries.
http://arnoldia.arboretum.harvard.edu/pdf/articles/1961-21--the-best-ornamental-spireas.pdf
Spiraea thunbergii is also called thunberg spirea or garland spirea. This is a graceful shrub with slender, arching branches that grows three to five feet tall with a similar spread. The shrub has an almost feathery appearance, making it valuable as a foliage plant. The small leaves turn orange in the fall.
http://garden.lovetoknow.com/wiki/Spiraea
Growing spirea shrubs is extremely easy, and these flexible plants are hardy in just about any growing zone. Spirea bushes are available at most garden supply stores and greenhouses and should be planted during the spring or fall for best results. Depending on variety, spirea bushes grow from 2 to 6 feet tall.
https://www.gardeningknowhow.com/ornamental/shrubs/spirea/growing-spirea-shrubs.htm
or spiraea. 1. any of various plants or shrubs belonging to the genus Spiraea, of the rose family, having clusters of small, white or pink flowers, certain species of which are cultivated as ornamentals. Quite as popular as the spirea is the Deutzia, throughout the middle section of the northern states.
http://www.dictionary.com/browse/spirea
Definition of spirea. 1  1 : any of a genus (Spiraea) of deciduous shrubs of the rose family with small usually white or pink flowers in dense racemes, corymbs, cymes, or panicles. 2  2 : any of several garden plants resembling spireas; especially : a shrub (Astilbe japonica) of the saxifrage family.
https://www.merriam-webster.com/dictionary/spirea
The Plants Database includes the following 33 species of Spiraea . Click below on a thumbnail map or name for species profiles.
http://www.plants.usda.gov/core/profile?symbol=SPIRA
If you are purchasing spirea shrubs for your garden, check the full name of the shrub carefully. Many nurseries use the common name 'spirea' for varieties of Caryopteris, which is a completely different shrub. Don't get the wrong one by mistake!
http://garden.lovetoknow.com/wiki/Spiraea
what is spirea
Spirea is a genus of deciduous shrubs of the rose family with small usually white or pink flowers in dense racemes, corymbs, cymes, or panicles.