PERENNIALS FOR DIFFERENT PURPOSES : Page 671
N. Perennials for Attracting Humming Birds. Hummingbirds have long bills and hollow tongues which permit them to searchfor insects and honey in their favourite flowers. By planting some of thefollowing sorts of perennials, as well as the trumpet vine, these beautifulbirds will be encouraged to visit the garden.
Aconitum (in variety) Dianthus barbatus
Monkshood Sweet William
Althaea rosea Digitalis gloxinaeflora
Hollyhock Foxglove
Aquilegia (in variety) Impatiens biflora