The spirea shrubs are easy to live and they do not require much care. The spirea spring, for example, offer a magnificent white flowers long lasting and require no real size to fully bloom as they bloom on old wood of at least one year. Pruned severely, but also deprive them of their port harmonious, very often, especially for the spirea spirea arguta and Van Houtte, the branches bend gracefully under the weight of flowers.
When shrubs get older, you can delete Occasionally a branch old to promote growth of new flowering shoots. Do not, under any circumstances to carry out a severe beating. The plant will blossom over the next year. My spirea spring are still young and I'm opting out of this size.
situation is quite different for the summer-flowering spirea, including Japanese spirea, Spirea Hybrid bumalda, or the spirea douglasii billardii. For them, the size of the end of winter is essential if we want to get a nice bloom. My garden is still at the beginning of the month March that I cut Anthony Waterer spirea bumalda. It is sometimes recommended to practice a very strict size by folding all stems to 15 cm of soil. I proceeded in this way only once, to rejuvenate my spirea I had neglected for years and who flourished much.
Spirea bumalda before pruning, 03/2011 
Spirea bumalda after pruning, 03/2011 This technique can be implemented if we want low shrubs and compact. For my part I prefer the shrubs at the port level. So I chose to cast off the road branches by one third, eliminating those that are very old, dead, or sickly intertwined, it helps to aerate the center of the crown, which also receives more light. I always severs the branches above a bud. Every year, I get large flat dark red inflorescences that attract bees and bumblebees. I take care to remove all spent flowers regularly and spirea blooms again twice until the end of September but more modest than in June-July. The shrub is about 1.50 meters and stands with the rose Salet.
Spirea bumalda, 06/2010 © My Planet Garden
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