It grows 40 to 60 feet tall. The pea-sized fruit of the hackberry eventually become dark purple and are an excellent source of food for many birds. Initially, the fruit are hard, marble-like. They gradually become palatable to birds after freezing and thawing several times. Birds will not eat the fruit of a few crabapple varieties.
Hawthorns produce white flowers in spring.
In fall, the fruit turn red and persist into winter, providing food for birds. It grows 8 to 12 feet tall and produces white, flat-topped clusters of flowers in spring. The fruit turn bright red in fall. Initially ignored by birds, the fruit become palatable by late winter. Red chokeberry is an upright, spreading shrub that produces small, white flowers in spring followed by red berries in fall.