When it comes to considering trees and shrubs as a hummingbird garden addition, one that offers an abundance of purple blooms that these little birds love to frequent is the dwarf Korean lilac.

Japanese Tree Lilac (Syringa reticulata): Features creamy white flowers and a tree-like shape. Persian Lilac (Syringa persica): Generally smaller, with pale lilac to white flowers. Dwarf Korean Lilac ...