PERENNIALS FOR DIFFERENT PURPOSES : Page 599
In the use of perennials another problem is often met: that of select-ing proper types for planting at the water's edge. These plants mustbe of the kind that will thrive with their "feet in water." The groupfrom which selection can be made is comparatively limited, especiallywith reference to genera. Many of these plants, such as the lemonlily, the loosestrife, and the iris will soon spread beyond control if notcarefully thinned out and kept within bounds during the succeedingyears. Most of this material is adapted to growth in the open sun andwill not withstand extreme shade conditions.
In the selection of perennials to be used in the development of thelarge flower garden areas the entire field of perennials is open fromwhich to choose. The development of a small, refined flower garden,the intimate details of which add to its charm, requires a more carefulknowledge of perennials, especially of those which usage has provencannot be safely introduced into such limited areas. These types ofperennials should be avoided in the development of a small flowergarden. They can be used by one who will give them consistent at-