Red-hot Pokers (Kniphofia spp.) are easy to grow long-lived perennials from South Africa. (USDA hardiness zones 5b-9). They go by a number of common names including torch lilies and tritoma. Colorful floral spikes (with a little imagination) resemble sizzling pokers or fiery torches, visited often by hummingbirds, bees and butterflies. Modern day cultivars are mostly […]
Archive for the ‘Pruning’ Category
Perennial Salvias Getting Better
Perennial salvias (Salvia × sylvestris) represent a number of hybrid crosses between S. nemorosa and S. pratensis but may include S. × alpestris, S. × asperula, S. × collina, and S. × superba. Most cultivars are branched, upright, clump-forming, perennials with opposite, oblong to lanceolate, medium green leaves and showy spikes of tiny, tubular, two-lipped flowers (each to 1/2” long). Flower color choices range from blue to lavender to purple, depending […]
Mini-Oakleaf Hydrangeas
Oakleaf hydrangea (Hydrangea quercifolia) is a U.S. native and it offers four seasons of landscape beauty. (USDA hardiness zones 5-9). Typically, oakleafs grow 10-12 feet tall deciduous shrubs that are broad-rounded, suckering, and multi-stemmed. In the wild, if left unpruned, shrubs reach over 20 feet in height and spread. I have selected five compact growers […]
MT. Cuba Evaluates BlueStars (Amsonia)
MT. Cuba Center is located near Hockessin Delaware, near Wilmington (USDA hardiness zone 7a.). It has recently published a new trial report on bluestars (Amsonia spp.) for the mid-Atlantic region. BlueStars are a genus of popular, long-lived herbaceous perennials. Most are native to the U.S. and Mexico in addition to one Asian species (A. elliptica) […]
Chinese Fringetree
Gardeners are waking up to the tough as nails Chinese fringetree (Chionanthus retusus). (USDA hardiness zones 5-9). It has gorgeous foliage, showy snow-white flowers in the spring, and exfoliating bark. Native to Korea, China, and Japan, this low maintenance multi-stemmed large shrub or small deciduous tree is becoming easier to purchase at U.S. garden centers […]
Three Native Azaleas That Should Be Included In Mid- Atlantic and Southern Gardens
About Native Azaleas: Flowers appear from April to September depending on species. Flower clusters (called “trusses”) appear just before the leaves emerge. Each truss may bear 3 – 12 blooms, which open 1.5 – 2 inches wide. Flower colors vary among native species from white, pink, orange and red shades. In many spring blooming species, the open petals […]
Ten Favorite Viburnums
Viburnums are versatile landscape shrubs that flower, fruit, and fall color. Several species have fruit that attracts birds and may persist most of the winter. To have the best cross-pollination and fruit display plant in groups rather than as specimens. Viburnums tend to prefer slightly acid soil. They have few pest or disease problems and need […]
Foamflowers For Your Shade Garden
Foamflower (Tiarella cordifolia) is a low-growing, clump-forming woodland perennial groundcover. It grows naturally in moist forests, coves, and well-drained bottomlands where it spreads by slender runners (stolons) to form dense, 1-2 feet wide clumps of foliage or colonies. Small spikes of creamy white spring flowers and its attractive bright green foliage are solid pluses in […]