Archive for the ‘Trees & Shrubs’ Category

Doghobble for Shady Landscape Areas

Mountain doghobble (Leucothoe fontanesiana) is native to woodland areas in the Southern Appalachian region (USDA zones 6 and 7). Florida coast leucothoe (L. axillaris) is another regional favorite, native from Virginia south to Florida. Over time it grow tall, usually 3-4 feet high as a rambling ground cover. Every 3 to 4 years hand pruning […]

How Hardy Is Chinese Fringe Flower (Loropetalum)

Loropetalum or Chinese fringe flower (Loropetalum chinensis) has clearly caught on with professional landscapers and gardeners (USDA hardiness zones 7 thru 9). It is rated as marginally hardy in northerly zones 6-b, and has succeeded in consecutive mild winters in the past decade. The winter of 2014 had killed some established plants to the ground, […]

Japanese Tree Lilac Is Excellent Late Flowering Form

Japanese tree lilac (Syringa reticulata) is a late flowering lilac, often 2-3 weeks later than the popular common and hybrid shrub lilacs (USDA hardiness zone 3-7). Tree lilac is tall growing, often 20-25 feet tall with a 15-25 foot spread. It forms a nice small multi-trunked street tree. Tree lilac is the last of the […]

Preventing Powdery Mildew Disease On Summer Plants

Powdery mildews are serious fungal leaf diseases infecting many garden plants. Each one is host specific. The powdery mildew that attacks summer phlox does not infect zinnias or pumpkin vines. Powdery mildew disease on crape myrtles does not attack lilacs or roses. In recent years new powdery mildew diseases have popped up on dogwoods and […]

Sweetbay Magnolia

Sweetbay, aka laurel magnolia, (Magnolia virginiana) is a U.S. native tree. This small to medium-sized native species often 20-30 feet tall and 15-20 feet wide as a large shrub or multi-stemmed small tree. Finding a 50-60 feet sweetbay near by a lake or pond near where you live is not unusual (USDA hardiness zones 5-9). […]

Roseshell Azalea Thrives In Cool Mountain Woodlands

Roseshell azalea (Rhododendron prinophyllum, formerly R. roseum) is native from New England, a number of Midwestern states, south to Texas. In its natural habitat it is commonly grows on wooded, north-facing slopes, shaded ravines, or nearby a cool mountain stream. The plants are not stoloniferous. Roseshell azalea grows best in organically rich, acidic, well-drained, and […]

‘Summer Gold’ Kousa Dogwood

Get ready to alter your mindset with ‘Summer Gold’ Chinese (kousa) dogwood (Cornus kousa) (USDA hardiness zones 5-8). Its diminutive size, 8 to 10 feet high and 4 to 5 feet wide, makes it a great fit for a small city garden. Branching is distinctly upright, which partially accounts for its narrow space needs. ‘Summer […]

‘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, […]

Pest Alert: Kudzu Bug- Plant Pest And Home Invader

Kudzu bug was first seen in Atlanta, Georgia in 2009. Currently, this plant pest and home invader has spread rapidly through the southern U.S. (to Texas) and as far north as eastern Maryland and southern Delaware. Kudzu bug belongs to the shield bug family (Plataspidae), but does emit a strong odor. It secretes a noxious […]

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 […]