Cockspur Hawthorn - Crataegus crus-galli
Rose Family (Rosaceae)
There may be as many as 20 species of hawthorns native to Kentucky, but cockspur hawthorn is the easiest to recognize because of its prominent thorns. It produces long needle-like thorns along the trunk and stems. It is a small tree growing in open sites. The Kentucky champion tree is in Muhlenberg County and is over 30 feet tall.
- Native habitat: Quebec to North Carolina and Kansas.
- Growth habit: Round tree with wide-spreading branches. Tree branches close to the ground and has numerous thorns.
- Tree size: Reaches a height of 20 to 30 feet with a spread of 20 to 35 feet.
- Flower and fruit: Perfect flowers are white and ½ to 2/3 of an inch in diameter. Flowers, which are borne in 2- to 3-inch corymbs, have an unpleasant odor. The tree flowers in May for about 7 to 10 days. Fruit is a deep red drupe that is 3/8 to ½ an inch in diameter. Fruit, which ripens in late September and October, persists into late fall.
- Leaf: Leaves are alternate, simple, 1 to 4 inches long and 1/3 to 1½ inches wide. Leaves are glossy dark green in summer and bronze-red to purplish in fall.
- Hardiness: Winter hardy to USDA Zone 4.
Cockspur hawthorn makes an attractive specimen; it can also be used for hedges. It is best to avoid its use in areas where children are likely to be playing, as its sharp thorns can cause serious injury.
Cockspur hawthorn blooms in May. Its white flowers have an unpleasant odor. It is hard to grow grass under cockspur hawthorn because the tree has very dense branching. The dark red fruit of cockspur hawthorn tends to persist late into fall because few birds eat it.
This tree was introduced into the landscape in 1656. Co-national champion cockspur hawthorns are in Manassas, Va. (40 by 48 feet) and Central City, Ky. (33 by 30 feet).