Shrub/Tree Purdue Plant Doctor Available Juniperus virginiana 'Brodie' [Brodie Eastern Red Cedar] Avoid planting near apple trees. Purdue Plant Doctor Available
Tree Audio Recording AvailablePurdue Plant Doctor Available Juniperus virginiana 'Glauca' [Silver Eastern Redcedar] 'Glauca' is a columnar cultivar with glaucous blue needles that are most prominent in the spring, transitioning to blue-green later on in the summer. Widely adapted to soils and climates. Does well in alkaline soils, but not wet soils. Alternate host for cedar-apple rust disease. Plant other juniper species in areas having many apples, hawthorns, etc. Susceptible to bagworms. Audio Recording AvailablePurdue Plant Doctor Available
Shrub/Tree Purdue Plant Doctor Available Juniperus virginiana 'Hillii' [Hill Eastern Redcedar] 'Hillii' is a dense, columnar cultivar with foliage that becomes distinctly purple in the winter. Widely adapted to soils and climates. Does well in alkaline soils, but not wet soils. Alternate host for cedar-apple rust disease. Plant other juniper species in areas having many apples, hawthorns, etc. Susceptible to bagworms. Purdue Plant Doctor Available
Tree Purdue Plant Doctor Available Liquidambar styraciflua 'Slender Silhouette' [Slender Silhouette Sweetgum] As the cultivar name suggests, this tree has a narrow, columnar-conical habit, which is a desirable for those small spaces within the landscape. 'Slender Slihouette' considered a 'fruitless' cultivar, but does produce a small number of multi-horned, round fruits that mature in the fall. Its leaves are a lustrous-dark green, which turns to a mixture of deep purples, reds, and yellows. Purdue Plant Doctor Available
Tree Audio Recording AvailablePurdue Plant Doctor Available Malus × 'Adirondack' [Adirondack Flowering Crabapple] The Flowering Crabapple is a popular small ornamental tree with an extremely showy flower display in the spring. This variant has a vase-shaped (somewhat columnar) habit, extremely upright branching, and high resistance to apple scab, fireblight, cedar-apple rust, and powdery mildew. Tends to flower and fruit in alternate years. Well-drained heavy loam soils and full sun promote best growth. Audio Recording AvailablePurdue Plant Doctor Available
Tree Audio Recording AvailablePurdue Plant Doctor Available Malus baccata 'Columnaris' [Columnar Siberian Flowering Crabapple] The Flowering Crabapple is a popular small ornamental tree with an extremely showy flower display in the spring. This columnar cultivar is resistant to scab, but is highly susceptible to fireblight. The use of this tree is discouraged, as it has such a high susceptibility to fireblight. Tends to flower and fruit in alternate years. Well-drained heavy loam soils and full sun promote best growth. Many tend to look ragged at the end of the… Audio Recording AvailablePurdue Plant Doctor Available
Tree Nyssa sylvatica 'WFH1' [sold as Tupelo Tower™] [Tupelo Tower Black Gum] Tupelo Tower is one of the only upright, of columnar habit, unlike the straight species. Its tight habit, brilliant fall color, and urban tolerances make this cultivar highly saught after. Typically, a slightly acidic soil is needed for this species to perform well. Difficult to transplant, so best purchase as container grown. Wet soils tolerant.
Tree Parrotia persica 'Vanessa' [Vanessa Persian Parrotia] Vanessa is a cultivar that has a distinctly upright or columnar habit. One of the best trees for foliage and bark effect. Very adaptable, tolerating drought, various soils, heat, cold, etc. Prefers full sun but tolerates light shade. Sites with strong winter winds will surely cause tip dieback in Northern Indiana.
Tree Purdue Plant Doctor Available Picea abies 'Cupressina' [Columnar Norway Spruce] Purdue Plant Doctor Available