HERBACEOUS FLOWI RING PLANTS IN POTS 45 



(pale rose) and Snow Plume (pure white). Spiraeas and 

 astilbes are not difficult to grow from seed, but it takes several 

 years for them to become strong flowering plants. They are 



Fig. i8.— Spircea in a saucer which can be kept full of water. 



usually bought in pots just as they are coming into flower in 

 spring, or else as clumps in autumn, when they should be 

 planted in rich, light soil. When they begin to grow they 

 need a great deal of water, for they are naturally bog plants. 



