Crataegus monogyna ‘Stricta’
Habit: Stiffly upright small tree in the first 10 years, 5-6 m tall, 1-2 m wide; then slenderly ovoid, branches clearly reaching up, slow-growing.
Demands: In hot areas with low humidity and dry soil, it loses its leaves early; otherwise like the normal variety.
Note: Needs support for a long time.
Hardiness: Zone 5a