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Landscape Gardening 



has an upright habit of growth, producing very few lateral 

 branches, so that severe pruning should be given to a few 

 of the strongest canes after blooming in the spring. Never 

 prune the spiraeas in the fall, winter or spring before bloom- 

 ing if an abundance of flowers is desired. Like all the 



FIG. 132. Bridal wreath (Spir&a pruni folia) 



other species of this genus, the flowers last but a short 

 time. 



Lobed-leaved Spiraea (S. trilobaota). A dwarf grower, 

 4 feet high, with slender branches, producing large masses 

 of white flowers. 



Bumald's Spiraea (S. Bumalda). A dwarf shrub, rarely 



