CRATAEGUS (THORN, HAWTHORN, QUICK, MAY)
All are perfectly hardy and will grow in any soil. Plant in October to February.
Among the most ornamental are:
Crataegus oxyacantha coccinea plena (Paul’s double scarlet thorn), 20 ft. or more eventually, very similar to the native quickthorn, bears long-lasting, double red flowers in May.
Co. maskei, 15 to 20 ft., less common than C. oxyacantha, double pink flowers in May.