Archive for the ‘Disease resistant’ Category

‘Miss Kim’ Lilac Tackles Southeast U.S. Heat and Humidity

When northerners move south, they insist on growing lilacs (Syringa spp.). Southern U.S. heat and humidity often take their toll on these lovely fragrant and colorful spring flowering shrubs (USDA hardiness zones 3-8). One very popular and exceptionally reliable lilac is ‘Miss Kim’ lilac (S. pubescens ssp. patula ‘Miss Kim’). A cultivar of Manchurian lilac, […]

‘Thailand Giant’ Elephant Ear Fun Novelty

‘Thailand Giant’ elephant ear (Colocasia gigantea) is rated as an annual (USDA hardiness zone 8-10), where the growing season may last 300 days and longer. Thailand Giant develops into a massive 9- foot tall plant with attractive grey-green foliage species. In the Southern Appalachian and Middle Atlantic regions they may reach 5 – 6 feet […]

Three Beautiful Ornamental Crabapples

Crabapples (Malus spp.) get a bad rap! Many gardeners associated them with the old diseased and pest prone varieties planted a half-century ago. Modern cultivars make nice small ornamental trees. The new cultivars exhibit exceptional resistance to five serious diseases of crabapples: apple scab, fire blight, cedar-apple rust, leaf spot and powdery mildew. Three of […]

Serviceberry- Favorite Tree of Gardeners And Birdwatchers

On an early late winter’s morn, the frosty appearance from a nearby mountainside may actually be from our native serviceberries (Amelanchier spp.) (USDA hardiness zones 4-9). Serviceberry’s small white blooms frequently signals that winter’s end is near. Flowering may last 7-10 days. Downy serviceberry (A. arborea) and shrubby Allegheny serviceberry (A. laevis) are commonly planted. […]

‘Blackout’ Heuchera Exceptionally Vigorous Type

A floral bouquet full of tiny flowers stand tall above the high gloss ebony foliage of Blackout coralbells (Heuchera x ‘Blackout’) (USDA hardiness zones 4 to 8). The foliage holds its color and sheen most of the summer. The foliage is evergreen through the winter in zones 6 thru 8. Airy spikes of cream colored […]

Hypearls® St. John’s Wort Worth The Hype

St. John’s Wort’s (Hypericum spp.) are terrific landscape shrubs and ground covers with bright yellow flowers in late spring and colorful berry fruits starting in late summer (USDA hardiness zones 5-9). Bees and birds are attracted to flowers and fruits respectively. Hypearls® are a new series of hypericums. Cultivars are available in four compact growing […]

Early Spring Flowering Okame Cherry

‘Okame’ Cherry is a hybrid between Taiwan Cherry (Prunus campanulata) and Fuji Cherry (P. incisa) (USDA hardiness zones 6-8). Okame is the first ornamental cherry to bloom in the Southern Appalachian Region (USDA hardiness zones 6 and 7). In the midst of a mild winter, Okame often starts blooming a few days after Valentine’s Day […]

Sweetbox – Excellent Evergreen Shrub For Shady Areas

Few evergreen shrubs grow in the shade. Sweetbox (Sarcococca hookeriana var. humilis) is a compact dwarf evergreen shrub or ground cover which is easy to grow (USDA hardiness zone 5-b to 8). Foliage remains lustrous dark green year-round. Sweetbox grows in partial to full shade, 1 to 2 feet tall and 6 to 8 feet […]

Give Edgeworthia A Try In Your Winter Garden

To begin, I must thank South Carolina nurseryman, Mr. Ted Stephens, who gifted me a Chinese paperbush (Edgeworthia chrysantha) 12 years ago. Most plant authorities rate its winter hardiness to USDA zones 7 and 8, but no one told this to my edgeworthia in zone 6-b. People who see it blooming in my early March […]

‘Thunderhead’ Pine

Thunderhead Japanese Black Pine (Pinus thunbergii ‘Thunderhead’) is a dwarf compact form of Japanese black pine (USDA hardiness zones 5b-8). Expect this slow-growing conifer to reach 5 feet high and 4 feet wide in 10 years. Whereas Japanese black pine grows 60 to 80 feet tall, Thunderhead matures to 20 to 25 feet in height […]