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.

Lilac bushes are popular for their attractive appearance ... with pale lilac to white flowers. Dwarf Korean Lilac (Syringa meyeri 'Palibin'): Compact, suitable for small spaces, and highly fragrant.