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 Liquidambar styraciflua [American Sweetgum] Handsome shade tree with few troubles and outstanding seasonal interest. Widely adapted to soils and climates, as evidenced by its wide range. Fall foliage coloration varies greatly in timing and intensity among individuals. Rather difficult to transplant in large sizes. Varies widely in hardiness. Select native northern stock for use in North. Horned fruits can be a serious litter problem, dulling mower blades and injuring bare feet. Also see Liquidambar styraciflua (Shuttle Gum Group).
Tree Liquidambar styraciflua 'Hapdell' [sold as Happidaze™] [Happidaze American Sweetgum] Handsome shade tree with few troubles and outstanding seasonal interest. Widely adapted to soils and climates. 'Hapdell', commonly sold under the name Happidaze, is a fruitless cultivar with a dense crown and deep maroon fall foliage. Rather difficult to transplant in large sizes.
Tree Liquidambar styraciflua 'Rotundiloba' [Rotundiloba American Sweetgum] 'Rotundiloba' has distinctly rounded leaf lobes and is fruitless. This cultivar is also narrower than the species and has variable yellow to burgundy fall color. It is difficult to establish good branching and canopy on young 'Rotundiloba' trees. Widely adapted to soils and climates. Rather difficult to transplant in large sizes. Select northern stock for use in North.
Tree Indiana Native Liquidambar styraciflua (Shuttle Gum Group) [American Sweetgum] This group of Liquidambar styraciflua (Sweetgum) trees was germinated in August of 1984 aboard the space shuttle Discovery. Purdue astronaut Charles Walker of Bedford, Indiana, brought back 200 tiny trees; these recognize Purdue's many astronauts. Sweetgums are handsome shade trees with few troubles and outstanding seasonal interest. Widely adapted to soils and climates, as evidenced by their wide range. Fall foliage coloration varies greatly in timing and intensity among individuals. Rather difficult to transplant in…
Tree Liquidambar styraciflua 'Ward' [sold as Cherokee™] [Cherokee American Sweetgum] This variant of the American Sweetgum is nearly fruitless and hardy to -28 degrees F without injury. Handsome shade tree with few troubles and outstanding seasonal interest. Widely adapted to soils and climates, as evidenced by its wide range. Fall foliage coloration varies greatly in timing and intensity among individuals. Rather difficult to transplant in large sizes.
Tree Liriodendron tulipifera 'JFS-Oz' [sold as Emerald City®] [Emerald City® Tulip Tree] 'JFS-Oz' is a cultivar with a bright yellow fall color and more glossy dark green foliage in summer. It has a more compact oval-upright form with a strong central leader than other varieties, while keeping its classic green-yellow-orange tulip-like flowers.
Tree Indiana Native Liriodendron tulipifera 'Little Volunteer' [Little Volunteer Tulip-tree] 'Little Volunteer' is a dwarf cultivar with smaller 4-lobed and flat-topped green leaves. It makes a wonderful street tree with its smaller size in habit, leaf, and flower. While keeping the classic yellow fall color and yellow-orange-green flower as other varieties.
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 Indiana Native Maclura pomifera [Osage-orange] Withstands wind and dry conditions well. Used by farmers as a hedgerow for livestock fencing because of its thorniness. Highly deer resistant. Fruits are said to be an insect and rodent repellent. Extremely decay resistant wood, containing 1% by weight 2,3,4,5-tetrahydroxystilbene (a fungitoxic compound). Large fruits create litter problem; select staminate trees to avoid fruit (unless you believe the fruits are of interest). Due to invasive root system, do not plant near sewer or drainage…
