University of Florida

Crataegus phaenopyrum

Common name(s): Washington Hawthorn, Washington Thorn

Plant type: deciduous small tree
Primary method of propagation: seed

Propagation by Seed

Time of year to collect seed: Autumn
Time of year to sow seed: Summer
Seed treatment: stratify 40 degrees F 4-5 months.
Preferred temperature for germination: 70-85 degrees F
Time required for germination: 4-6 weeks
Comment: C. phaenopyrum requires cold stratification only. Seedlings develop long taproots and should not be kept in the seedbeds more than one year.