Chinese ground orchid (Bletilla striata), aka “Hardy Garden Orchid”, is a terrestrial orchid which produces small, cattleya-like, downward-facing purple flowers. It is indigenous to moist grassy slopes of central China and southern Japan. Ground orchids produce attractive foliage and showy flowers, that bloom from mid-spring and early summer. The flowering racemes stand approximately 12-18 inches high […]
Archive for the ‘Non-native’ Category
Red Hot Pokers /Exceptional Summer Performers
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 […]
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 […]
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) […]
Rethink Before Planting These Five Groundcovers
Initially, these 5 groundcovers were alluringly beautiful. But, over time, each grow very aggressively and become a major chore to restrained in the garden. Several states have declared one or more species as invasive and ban them for sale and interstate transportation. The most effective way to eliminate these aggressive groundcovers is to cut plants […]
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 […]
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 […]
Woodland (Snow) Crocus
Snow Crocus, aka early crocus (Crocus tommasinianum) is a late winter to early spring blooming bulb (corm) that is native to southeastern Europe into Asia. These tiny crocus are generally the first to pop its leaves above the ground and even bloom when there is snow on the ground, hence its common name. Snow crocus are […]
Cranesbills (Hardy Geraniums)
Cranesbills (Geranium spp.) comprise a large genus of super hardy herbaceous perennials. (USDA hardiness zones 5-8). These are not your annual geraniums which is the genus Pelargonium. They grow happily in partial sun to full shade and in moist, humus-rich, well-drained soil. Cranesbills tolerate full sun in cool northerly areas. Plants may produce fewer flowers in […]