PLANTS FOR HEDGES : Page 284
Washington Thorn Common Buckthorn
Crataegus crus-galli Rhamnus frangula (variety latifolia)
Cockspur Thorn Alder Buckthorn
Crataegus oxycantha Rosa rugosa
May Thorn Japanese Rose
B. Edgings for Walks and for Garden Borders. The plants
in this group are either dwarf in their habit of growth or can be pruned
severely in order to keep them in a low, compact form. The average
height at which these hedges may be maintained is eight inches toeighteen inches.