The Bourbon Clematis is a small, compact hybrid that has flowers with large, vibrant red sepals, that develop on both new and old growth. The root system should be kept cool by deep soil preparation and mulching around base. It is said that Clematis prefer “a warm top and a cool bottom”. While this is […]
Read More… from Clematis viticella ‘Evipo018’ [sold as Bourbon™]
The Oso Easy Honey Bun Rose is a low-growing, mounded plant that produces fragrant, semi-double flowers in a variety of colors, from pale pink, pastel yellow, and creamy white. Although this variant has good disease resistance and is relatively low maintenance, proper cultural practices are still important. Avoid wetting the foliage when watering, place the […]
Read More… from Rosa × ‘Scrivjean’ [sold as Oso Easy® Honey Bun]
The Peacock Butterfly-Bush is a compact, dwarf cultivar and is valued for its profusion of attractive, fragrant pinkish-purple flowers and long bloom period that can even stretch into October. The flowers of this shrub attract a considerable amount of butterflies. This plant tolerates clay soil, but is not tolerant of wet soils. To maintain vigor […]
Read More… from Buddleia davidii ‘Peakeep’ [sold as Peacock™]
This is a vigorous twining vine with prolific beautiful soft pink flowers. It is best to prune after flowering, as it flowers on growth from the previous season. The root system should be kept cool by deep soil preparation and mulching around base. It is said that Clematis prefer “a warm top and a cool […]
The Tree Peony is a long-lived, very showy, deciduous shrub that produces numerous large, beautiful flowers beginning in mid to late spring. 'Renkaku' has large, white, semi-double blossoms. These plants do best in a deep, fertile, and well-drained soil, with some protection from strong winds. In colder climates, some winter protection is beneficial to prevent […]
The Tree Peony is a long-lived, very showy, deciduous shrub that produces numerous large, beautiful flowers beginning in mid to late spring. 'Godaishu' has large, white, semi-double blossoms. These plants do best in a deep, fertile, and well-drained soil, with some protection from strong winds. In colder climates, some winter protection is beneficial to prevent […]
This variant of Cockspure Hawthorn is a thornless type. The strong horizontal branching is good for softening vertical lines of buildings. Although attractive, some find the small, white flowers malodorous. Fireblight, leaf spot, and cedar-hawthorn rust are among the worst problems to affect this species. Japanese beetles like to feed on hawthorns. […]
Read More… from Crataegus crus-galli var. inermis ‘Cruzam’ [sold as Crusader™]
The Flowering Crabapple is a popular small ornamental tree with an extremely showy flower display in the spring. This vigorous cultivar is named in honor of Purdue University plant physiologist Ralph Shay (1918-1981) who was head of the Department of Botany & Plant Pathology from 1954-1966. This tree has attractive white flowers followed by exceptionally […]
The variety rubra is a group of Flowering Dogwoods with beautiful pink bracts of varying intensities. Flowering Dogwoods are one of the finest small trees, interesting at almost every season, and with a branching pattern that is distinctly horizontal. Widely adaptable, but material of different geographic origin varies widely in hardiness, and the flowers of […]
‘Hino-red’ is a hardy, compact, evergreen azalea that produces bright red flowers in early spring. Avoid harsh, dry, windswept sites. Susceptible to a large number of pests and diseases, which can largely be prevented by good cultural practices. […]
Read More… from Rhododendron × ‘Hino-red’ (Kurume Hybrid Group)
The Purdue Arboretum is a collaboration between the Department of Horticulture and Landscape Architecture and Physical Facilities Grounds Department