Tree Purdue Plant Doctor Available 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. Purdue Plant Doctor Available
Tree Indiana Native Audio Recording AvailablePurdue Plant Doctor Available 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. Indiana NativeAudio Recording AvailablePurdue Plant Doctor Available
Tree Purdue Plant Doctor Available 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. Purdue Plant Doctor Available
Tree Audio Recording AvailablePurdue Plant Doctor Available 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… Audio Recording AvailablePurdue Plant Doctor Available
Tree Audio Recording AvailablePurdue Plant Doctor Available 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… Audio Recording AvailablePurdue Plant Doctor Available
Tree Indiana Native Audio Recording AvailableID That Tree Video Available 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. Indiana NativeAudio Recording AvailableID That Tree Video Available
Tree Audio Recording Available 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. Audio Recording Available
Tree Maackia amurensis [sold as Summertime™] [Summertime Amur Maackia] The Summertime Amur Maackia is a small tree with low branches, attractive mottled bark, and upright, creamy flower racemes that appear in the summer. This tree, closely related to Cladrastis kentukea (American Yellowwood), is an adaptable plant that is able to fix atmospheric nitrogen.
Tree Parkinsonia × [Hybrid Palo Verde] Semi-evergreen leaves, and smooth line green trunks and branches year round. Palo Verde means "green stick" in Spanish, and the green bark carries on photosynthesis. Survives in the desert on natural rainfall once established. Few problems. Needs some minor clean up maintenance of flowers and leaves. Prune when young to develop multi-stems and show off the beautiful bark. 'Desert Museum' is a V-shaped thornless hybrid having genetic characteristics indicating complex hybridization between three species, Parkinsonia…
Shrub Indiana Native Audio Recording AvailablePurdue Plant Doctor Available Robinia hispida var. fertilis [Bristly Locust] Can fix nitrogen. Especially well adapted to poor, dry, alkaline soils. Though native, can be invasive on sandy soils. Frequent pruning may be needed. Indiana NativeAudio Recording AvailablePurdue Plant Doctor Available
Indiana Native
![Gleditsia triacanthos f. inermis 'Impcole' [sold as Imperial®]](https://www.arboretum.purdue.edu/explorer/wp-content/uploads/sites/2/2023/01/NAME-21412-6-150x150.jpg)
![Gleditsia triacanthos f. inermis 'Skycole' [sold as Skyline®]](https://www.arboretum.purdue.edu/explorer/wp-content/uploads/sites/2/2023/01/NAME-264-7-150x150.jpg)
![Gleditsia triacanthos f. inermis [sold as Shademaster®]](https://www.arboretum.purdue.edu/explorer/wp-content/uploads/sites/2/2023/01/NAME-263-150x150.jpg)
![Maackia amurensis [sold as Summertime™]](https://www.arboretum.purdue.edu/explorer/wp-content/uploads/sites/2/2023/01/NAME-21466-150x150.jpg)
