72 FLOWER GARDENING 



indeed if they all have good foliage. Thus the 

 Arabis albida, German iris and hardy chrysan- 

 themum would give three separate periods of 

 bloom and a continuous gray foliage effect in ad- 

 dition. 



But the greater joy is in using a larger number of 

 perennials to provide a long succession of dominant 

 bloom, any other plants being fillers and therefore 

 secondary. 



