A. x grandiflora ‘Autumn Brilliance is a vigorous selection with impressive blooms and bright red fall colors. It is resistant to leaf spot. The berries are frequently used to make jams, jellies, and pies. This selection can be found in both single and multi-trunk forms. […]
Read More… from Amelanchier × grandiflora ‘Autumn Brilliance’ [sold as Autumn Brilliance®]
The Apple Serviceberry is an attractive plant with multi-seasonal interest and can be found in both small tree or large shrub form. If the tree form is desirable, make sure to remove the suckers that arise from the roots, or the specimen will become shrubby. This is less of a problem for this hybrid species […]
Amelanchier laevis ‘Cumulus’ is a single-stemmed, strongly upright small tree, excellent as a small street tree and for very early, but short-lived, blooms. This tree is sometimes grafted, so rootstock suckers can be a problem. Fruits are edible and a prime source of food for birds. Subject to the troubles of Rosaceous plants in general, […]
An excellent small tree for naturalizing and for very early, but short-lived, bloom. Fruits are edible and a prime source of food for birds. Can produce fruit by apomixis. Subject to the troubles of Rosaceous plants in general, including fire-blight and mites, which can be controlled, usually quite easily. […]
Amelanchier canadensis, the Shadblow Serviceberry, tends to be confused with Amelanchier arborea, the Downy Serviceberry, and Amelanchier laevis, the Allegheny Serviceberry. However, A. canadensis, compared to A. arborea and A. laevis, is generally much more shrub-like (often forming thickets), flowers a week later, and produces upright flower clusters (as opposed to the pendulous racemes of […]
Would grow well on a streambank. Susceptible to rust, leaf blight, powdery mildew, fruit rot, leaf minor, borers, and scale. Rarely requires pruning. […]
Albizia julibrissin is known for its attractive, “pom-pom” like flowers that begin in late spring and last through the summer. The interesting effect of the flowers is due to the the over 1″ long pink stamens. This plant is not an ideal landscape choice due to its susceptibility to many pests and diseases, including vascular […]
Unusual form and texture not unlike a large sumac. Highly adaptable. Tolerates salt spray. Dioecious. Coarse and inclined to drop twigs. Male flowers are malodorous; female plants make many weed seedlings. Ailanthus altissima forms dense, clonal thickets which displace native species and can rapidly invade fields, meadows, and harvested forests. This invasive tree species is […]
Fort McNair Red Horsechestnut is less suscebtible to leaf scorch, leaf blotch and mildew than the straight species, although it can still contract the diseases. Does not perform well in dry sites; plant in moister soils for best growth and flowering. Flowers at an early age. Prickly fruits may be a problem underfoot. Fruits are […]
The Purdue Arboretum is a collaboration between the Department of Horticulture and Landscape Architecture and Physical Facilities Grounds Department