Author: Kirby Kalbaugh
Posts by Kirby Kalbaugh
Tilia cordata ‘Corzam’ [sold as Corinthian®]
‘Corzam’, often sold under the name Corinthian, is a formal, compact, and narrow cultivar with a straight trunk and dense, evenly spaced branches. Resistant to Japanese beetles, which tend to trouble other Tilia in the summer. Never colorful, but a good shade tree that is well-adapted to most city conditions and relatively troublefree. Functions as […]
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Hamamelis × intermedia ‘Sunburst’
The Sunburst Witchhazel is a large, vase-shaped deciduous shrub that produces a profusion of interesting, strap-like lemon-yellow and red flowers in mid to late winter. […]
Magnolia stellata ‘Centennial’
‘Centennial’ is an excellent, vigorous Magnolia stellata cultivar with large (5.5″ across), pink-blushed white flowers with numerous tepals. This plant was released by the Arnold Arboretum of Harvard University in 1972 to commemorate its 100th anniversary. Handsome specimen at all seasons. Needs at least some protection from strong wind in Zones 4 and 5. Somewhat […]
Salix purpurea ‘Nana’
Salix purpurea ‘Nana’ is a dioecious, compact, rounded shrub well-suited for wet areas, rain gardens, and bank stablizition. Tolerates heavy pruning. […]
Amelanchier laevis ‘JFS-Arb’ [sold as Spring Flurry®]
An excellent tree for naturalizing and for very early, but short-lived, bloom, the Spring Flurry Allegheny Serviceberry has an upright form and grows larger than the species type, up to 35 feet tall. Fruits are edible and a prime source of food for birds. Subject to the troubles of Rosaceous plants in general, including fire-blight […]
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Cornus alba ‘Elegantissima’
Juniperus squamata ‘Blue Carpet’
‘Blue Carpet’ is a low-growing and spreading shrub with attractive bluish-gray foliage. This plant gained its common name from the single seed borne by each cone. Widely adapted to soils and climates. Does well in alkaline soils, but not wet soils. Susceptible to bagworms. […]
Liquidambar styraciflua (Shuttle Gum Group)
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 […]
Juniperus × pfitzeriana ‘Kallay’s Compacta’
This flat-topped cultivar is compact, low growing, and wide spreading with deep green foliage. 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 […]