Tree Pinus strobus 'Contorta' [Contorted Eastern White Pine] 'Contorta' has a loose, irregular, upright form and twisted needles, branchlets, and branches. The Eastern White Pine is among the best pines for resistance to moth borers. Transplants easily with a bit of shade tolerance. Somewhat less adapted to severe exposures and very dry soils than Pinus resinosa or Pinus nigra. Very sensitive to air pollution and road salt. Susceptible to White Pine Blister Rust. Decaying needles acidify soil beneath (to about pH 4.5), which…
Tree Pinus strobus 'Fastigiata' [Columnar Eastern White Pine] 'Fastigiata' is a strongly narrow, upright cultivar. Excellent neutral screening plant, it can be kept full by occasional pruning. Among best pines for resistance to moth borers. Transplants easily with a bit of shade tolerance. Somewhat less adapted to severe exposures and very dry soils than Pinus resinosa or Pinus nigra. Very sensitive to air pollution and road salt. Susceptible to White Pine Blister Rust. Decaying needles acidify soil beneath (to about pH 4.5), which…
Tree Pinus strobus 'Pendula' [Weeping Eastern White Pine] 'Pendula' is weeping, semi-dwarf cultivar with long, pendulous branches. The ultimate form of this cultivar depends on how it is pruned and trained. More graceful than most pines, both as a young and an old specimen. Excellent neutral screening plant, it can be kept full by occasional pruning. Among best pines for resistance to moth borers. Transplants easily with a bit of shade tolerance. Somewhat less adapted to severe exposures and very dry soils than…
Tree Pinus sylvestris [Scotch Pine] Effective as a screen with pruning. Tolerant of fairly dry soils, but not a good specimen in shade or on wet soils. Sphaeropsis, nematodes, and pine wilt fungus are serious problems; not recommended by Morton Arboretum.
Shrub Pinus sylvestris 'Hillside Creeper' [Creeping Scotch Pine] 'Hillside Creeper' is a low-growing, spreading evergreen that can be used as a groundcover. Tolerant of fairly dry soils, but not a good specimen in shade or on wet soils.
Tree Indiana Native Populus balsamifera [Balsam Poplar] Buds exude a resin (the source of "balm of Gilead") that is traditionally used as an ointment to relieve chest congestion. The resin is also flammable, so twigs are used for starting fires. The streaked brown and grey wood is used in carving and woodworking. Trees are found along forest edges, forests, meadows and fields, and shores of rivers or lakes.
Tree Indiana Native Populus deltoides [Eastern Cottonwood] Populus deltoides is a large, fast-growing tree that is not generally advised for use in the landscape. This plant is weak-wooded, weedy, and a litter problem, dropping twigs, flowers, branches, leaves, and fruits (the cottony masses that float through the air in early summer). In the wild, it tends to grow along streams, rivers, and other moist areas. Susceptible to many pests and diseases, especially canker.
Tree Indiana Native Populus grandidentata [Bigtooth Aspen] This tree is very fast-growing with best development in moist, fertile soils but will grow on dry, sand or gravelly soils. It is very valuable for pulp wood. Often pyramidal in youth with a central leader, developing an oval, open, irregular crown at maturity.
Tree Populus × 'Red Caudina' [Red Caudina Poplar] This fast-growing plant is weak-wooded, weedy, and a litter problem, dropping twigs, flowers, branches, leaves, and fruits (the cottony masses that float through the air in early summer). In the wild, the parents of this hybrid tend to grow along streams, rivers, and other moist areas. Susceptible to many pests and diseases, especially canker. 'Red Caudina' is a narrow, all male cultivar that does not produce the problematic cottony fruits. It has red veination and…
Shrub/Tree Indiana Native Prunus americana [American Red Plum] Common shrub or small tree, often forming large colonies along roadsides, in waste areas, and other uncultivated habitats.
