Tree Carpinus betulus 'Columnaris' [Columnar European Hornbeam] Carpinus betulus is relatively trouble-free and tolerates a wide range of soil conditions and some shade. This plant is also very tolerant of heavy pruning, making it useful as a hedge. The cultivar 'Columnaris' is a narrow, columnar cultivar that is slow-growing with densely set branches and leaves.
Tree Carpinus betulus 'Fastigiata' [Fastigiate European Hornbeam] Carpinus betulus is relatively trouble-free and tolerates a wide range of soil conditions and some shade. This plant is also very tolerant of heavy pruning, making it useful as a hedge. The cultivar 'Fastigiata' is a narrow, columnar cultivar with densely set, broom-like branches. Over time this cultivar tends to broaden and open up into a more oval-vase form.
Tree Catalpa bignonioides 'Aurea' [Golden Southern Catalpa] The Golden Southern Catalpa can tolerate full sun, but does best in part sun to part shade. This species is weak wooded and should not be placed where it is open to wind and storm damage. 'Aurea' is known for its rich yellow leaf coloration and its broad form. Its flowers are trumpet shaped and white with yellow and purple spots.
Tree Fagus sylvatica 'Dawyck' [Upright European Beech] In a proper site, an excellent trouble-free shade tree with year-round interest. More adaptable to hot, dry conditions than our native F. grandifolia, but somewhat less hardy. F. grandifolia is preferred in Zone 4. The cultivar 'Dawyck' is very strongly upright and columnar.
Tree Fagus sylvatica 'Red Obelisk' [Red Obelisk European Beech] The Red Obelisk European Beech has a gorgeous columnar form and this tree is notable season round. The foliage is crimson red with light red-white tips. The stem is smooth and light gray.
Shrub/Tree Juniperus chinensis 'Spearmint' [Spearmint Chinese Juniper] This dense cultivar has bright green foliage and a strongly upright, columnar to pyramidal habit. Widely adaptable to soils and climates, except for low light conditions. Tolerates alkaline soils, heat, and drought. Members of this species are used from New England to Minnesota to Louisiana. Phomopsis and Kabatina blights can be a serious problem in some areas, especially for small plants.
Shrub/Tree Juniperus scopulorum 'Skyrocket' [Skyrocket Rocky Mountain Juniper] 'Skyrocket' has an extremely narrow, fastigiate form and silvery blue-green foliage. 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.
Shrub/Tree Juniperus scopulorum 'Welchii' [Welch Rocky Mountain Juniper] 'Welchii' is compact and comlumnar with blue-green foliage that is silver when emerging. 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.
Tree 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.
Shrub/Tree 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.
