‘Sheridan Spire’ is more narrow and upright than the straight species. Metasequoia glyptostroboides is more tolerant of different sites than Taxodium distichum (Common Baldcypress). Prefers moist sites and can grow in water. Japanese beetles will feed on foliage. Does not like chalky soils with high pH. […]
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Reports vary, but there are up to 10 species of Taxus, and hundreds of variants and cultivars in various sizes, habits, and forms. Members of the Yew genus are one of the most common evergreen shrubs used in the landscape industry today. This is due in large part to their durability, pest and disease resistance, […]
A difficult species to use in a functional way. Best for seasonal color and fragrance in the border or as an occasional specimen. Deadheading can promote flowering and prevent alternate bearing. Will get leggy without pruning (prune on a 3-year cycle). Powdery mildew is an increasingly serious problem the further south this is planted in […]
A difficult species to use in a functional way. Best for seasonal color and fragrance in the border or as an occasional specimen. Deadheading can promote flowering and prevent alternate bearing. Will get leggy without pruning (prune on a 3-year cycle). Powdery mildew is an increasingly serious problem the further south this is planted in […]
A difficult species to use in a functional way. Best for seasonal color and fragrance in the border or as an occasional specimen. Deadheading can promote flowering and prevent alternate bearing. Will get leggy without pruning (prune on a 3-year cycle). Powdery mildew is an increasingly serious problem the further south this is planted in […]
Can become ratty in appearance, and so should be pruned properly on 3 year cycle. Problems with aphids, powdery mildew, scales, and caterpillars, although powdery mildew is worst problem. […]
A very hardy and showy tree. Attractive, cherry-like mahogany-colored bark, distinctly different from all other lilacs. Widely adapted to soils and environments. Cut to ground to rejuvenate completely. Mildew resistant. Subject to infestations of borers and scale insects, but these are not usually serious enough to discourage its use where some maintenance is available. Alternate […]
The Ivory Silk Japanese Tree Lilac is a very hardy and showy tree, great choice for a specimen tree. Attractive, cherry-like mahogany-colored bark, which is distinctly different from all other lilacs. Widely adapted to soils and environments, Ivory Silk Japanese Tree Lilac can be a great choice for those difficult areas in the landscape. Cut […]
The Lilac genus, Syringa, is composed of over 20 species and numerous cultivars and variants of shrubs to small trees. The most well-known feature of lilacs is their showy, many times fragrant, flower panicles. Lilacs prefer cooler climates. Leggy plants can be rejuvenated by a hard pruning in the winter, with less intensive maintenance pruning […]
A difficult species to use in a functional way. Best for seasonal color and fragrance in the border or as an occasional specimen. Deadheading can promote flowering and prevent alternate bearing. Will get leggy without pruning (prune on a 3-year cycle). Powdery mildew is an increasingly serious problem the further south this is planted in […]
The Purdue Arboretum is a collaboration between the Department of Horticulture and Landscape Architecture and Physical Facilities Grounds Department