Certinensis poplar, P. laurifolia (P. Certinensis).

A very hardy Siberian species, much like P. deltoides, useful for severe climates.

Wild black cherry, Prunus serotina.*

European bird cherry, Prunus Padus.

A small tree much like the choke cherry, but a freer grower, with larger flowers, and racemes which appear about a week later.

Choke cherry, P. Virginiana.*

Very showy while in flower.

Purple plum, Prunus cerasifera, var. atropurpurea (var. Pissardi).

One of our most reliable purple-leaved trees.

Rose-bud cherry, P. pendula (P. subhirtella).