Shrub Dasiphora fruticosa 'Yellow Bird' [Yellow Bird Bush Cinquefoil] 'Yellow Bird' has large, single to semi-double yellow flowers. Extreme hardiness and long season of bloom make Potentilla fruitcosa a favorite in severe climates. Low stature and tolerance of poor, dry soils give it added usefulness in other areas also. Can develop a ragged, unkept habit over time. Remove 1/3 of canes each year (3-year pruning cycle), and consider renewal pruning to a very low framework every 3-5 years if needed.
Tree Indiana Native Gleditsia aquatica [Water Locust] This native Indiana tree species is found in three southwestern counties near the lower Wabash River. It is often found in wet or ponded locations where there is standing water or high water tables. Not recommended for the landscape as it has large, multi-pronged thorns. Like its cousin, the honey locust, it has compound leaves, but can be differentiated by its location, much smaller seed pods, and flattened thorns along the branches.
Tree Gleditsia triacanthos 'Draves' [sold as Street Keeper®] [Street Keeper Honeylocust] 'Draves' is a cultivar with Popular for street use. It has a tight narrow form with a small canopy and dark green foliage. It also has a fine texture with yellow fall color. This tree will create some mess in the fall, but minor compared to other cultivars and other species of trees.
Tree Indiana Native Gleditsia triacanthos f. inermis [Thornless Common Honeylocust] This large tree has finely compound leaves that provide a pleasant, dappled shade in the summer. The thornless forma inermis is only sold in commerce, as the profuse thorns of the species type can be a liability. Mimosa webworm and locust mite are serious pests in the Midwest, and are becoming more serious (especially in areas tending toward monoculture). Can be controlled with spraying.
Tree Gleditsia triacanthos f. inermis 'Impcole' [sold as Imperial®] [Imperial Thornless Honeylocust] This rounded, compact, and low-fruiting cultivar has finely compound leaves that provide a pleasant, dappled shade in the summer. The thornless forma inermis is only sold in commerce, as the profuse thorns of the species type can be a liability. Mimosa webworm and locust mite are serious pests in the Midwest, and are becoming more serious (especially in areas tending toward monoculture). Can be controlled with spraying.
Tree Gleditsia triacanthos f. inermis 'Skycole' [sold as Skyline®] [Skyline Thornless Honeylocust] The Skyline Thornless Honeylocust is a nearly fruitless compact, pyramidal tree with a strongly upright habit and finely compound leaves that provide a pleasant, dappled shade in the summer. The thornless forma inermis is only sold in commerce, as the profuse thorns of the species type can be a liability. Mimosa webworm and locust mite are serious pests in the Midwest, and are becoming more serious (especially in areas tending toward monoculture). Can be controlled…
Tree Gleditsia triacanthos f. inermis [sold as Shademaster®] [Shademaster Thornless Honeylocust] The Shademaster Thornless Honeylocust is a popular cultivar that is nearly fruitless and has dark green, finely compound leaves on ascending branches that provide a pleasant, dappled shade in the summer. The thornless forma inermis is only sold in commerce, as the profuse thorns of the species type can be a liability. Mimosa webworm and locust mite are serious pests in the Midwest, and are becoming more serious (especially in areas tending toward monoculture). Can…
Tree Indiana Native Gymnocladus dioicus [Kentucky Coffeetree] Gymnocladus dioicus is a large deciduous tree with strong winter character from the branches and bark. Drops pods (female trees) and twigs, frequently causing litter problem, thus eliminating the straight species as a good street tree. Seeds were once used by US settlers as a coffee substitute, however pulp and seeds are toxic when not properly and completely roasted.
Tree Gymnocladus dioicus 'Espresso' [Espresso Kentucky Coffeetree] Gymnocladus dioicus 'Espresso' is a large, male, fruitless deciduous tree with strong winter character with its vase-like habit and rough bark.
Shrub Hydrangea arborescens 'Abetwo' [sold as Incrediball®] [Incrediball® Smooth Hydrangea] Improved version of the 'Annabelle' cultivar
