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…
Tree Magnolia grandiflora [Southern Magnolia] A majestic, upright, heavily branched tree and a favorite in the south. Can get scale and bacterial leaf spot. Leaves fall but never seem to decompose. Fruits can be a little messy. Takes 15 to 20 years from seed to flower. Mostly seed propagated so morphological variability between seed grown plants is great.
Tree Malus × 'Spring Snow' [Spring Snow Flowering Crabapple] The Flowering Crabapple is a popular small ornamental tree with an extremely showy flower display in the spring. 'Spring Snow' produces white flowers and little to no fruits. This cultivar is very susceptible to apple scab and slightly susceptible to fireblight and cedar-apple rust. Tends to flower in alternate years. Well-drained heavy loam soils and full sun promote best growth. May look ragged at the end of the summer.
Tree Prunus padus [European Bird Cherry] The European Birdcherry is a rounded, low branching tree that produces long, drooping clusters of fragrant white flowers in the spring after the leaves have emerged (leafs out early). Black knot, leaf spot, and canker can potentially be a problem.
Tree Prunus sargentii [Sargent Cherry] One of the better performing and useful cherries available. Beautiful, polished reddish to chestnut brown bark on older trunks. Subject to several minor pests, none usually serious.
