Plants

Viburnum × rhytidophylloides 'Willowwood'

[Willowwood Lantanaphyllum Viburnum]

Poor tolerance to heavy wind environments. Great plant in the Midwest, flowering in the spring and even sporadically into the fall. Foliage sometimes lasting well into the winter. Prune right after flowering, because new buds for the following year form in the summer.

Zanthoxylum americanum

[Prickly Ash]

Zelkova serrata 'Halka'

[Halka Japanese Zelkova]

An excellent shade tree, probably one of the best substitutes for Ulmus americana in form and gracefulness, but slightly smaller. A beautiful wood grain for furniture, etc. Minor susceptibility to various elm diseases and pests, but resistant to Dutch Elm Disease. Considered to be one of the more popular cultivars of Zelkova serrata, although Green Vase and 'Green Village' tend to be better performers. 'Halka' is more open and loose and the fall color is…