Bald Cypress (Taxodium distichum) is well-known as a deciduous conifer native to the southeastern U.S. (USDA hardiness zones 5-9). Pyramidal in form, bald cypress towers over 70 feet tall with a spread up to 50 feet. Bald cypress is naturally found in southeast U.S. swamps, marshlands, lakes, ponds, and other wetlands. On marshy ground, you […]
Archive for the ‘Disease resistant’ Category
‘Goshiki’ Holly Tea Olive
Holly Tea Osmanthus, also called holly tea olive and false-holly (Osmanthus heterophyllus) is a large (15 feet tall), dense, upright, oval-rounded evergreen shrub. The species blooms in late fall and the tiny inconspicuous white flowers are sweetly fragrant. Small numbers of fruits ripen the following year, and often go unnoticed. Osmanthus heterophyllus ‘Goshiki’ is a […]
Clump Type Ornamental Grasses Excel In Autumn
City gardeners want low maintenance. These ornamental grasses are what you’re looking for. They achieve their intended growth heights in summer, and produce flowers (inflorescence). Foliage of some change color as temps start cooling in late summer. Five of six listed grass species are winter hardy and overwinter outside in large containers or tubs in most regions […]
Fall Anemones
Japanese anemones (Anemone x hybrida) are popularly called “fall anemones”. These late summer-fall blooming perennials are long-lived and make fine additions to flower borders and open woodland areas (USDA hardiness zones 4 to 7). Many colorful varieties are available and their flowers are great additions to cut floral arrangements. Showy 2-4 inch wide flowers stand […]
Lots of Choice With European Hornbeams
European hornbeam (Carpinus betulus), aka ironwood and musclewood, is an underused tree that is an excellent urban street and park tree. (USDA hardiness zones 4-7). The tree develops a full, dense canopy and little maintenance requirements. The species typically grows 40-60 feet (less frequently to 80 feet) tall with a pyramidal to oval-rounded crown. Its dense […]
Kalimeris – Late Summer Flowering Perennial
Japanese asters (Kalimeris spp.) are synonymous with boltonias (Boltonia). It is native of China, Japan and Siberia. It superficially resembles Boltonia, but differs enough to be assigned to the genus Kalimeris in the 1990s. Kalimeris incisa ‘Blue Star’ is a superior form. This clump-forming species is noted for its long summer bloom period featuring 1 ½ inch wide, […]
Mexican Bush Sage
Mexican bush sage (Salvia leucantha), aka velvet sage, is a perennial that lights up the late summer / fall garden (USDA hardiness zone 7b-10). Indigenous to Central America and Mexico, it can be grown as an annual that grows to about 3-4 feet tall. In the U.S., bush sage is only hardy from the lower […]
Elephant Ears In Motion
Elephant ears (Colocasia esculenta) and their aroid cousins have become commonplace in not only hot, humid southern gardens, as well in temperate landscapes. Gardeners grow them in large containers and overwinter them indoors in a non-freezing environ. Also, my neighbors in zone 6 blanket in-ground plantings with several inches of loosely packed leaves overwinter. Colocasia […]
Mallow Plant Breeders Developing Resistance To Hibiscus Sawfly
Mallows, hardy hibiscus, and perennial hibiscus (Hibiscus moscheutos) are vigorous shrub-like growers on sturdy 4-5 feet tall (and 2-4 feet wide) stems. The species is native to wetland areas from Ontario and Massachusetts south to Ohio, Indiana, Alabama and Florida. Huge colorful 4-6(9) inch wide flowers have five overlapping petals with reddish-purple to dark crimson […]