Archive for the ‘mulching’ Category

Black Mondo Grass

Black mondo grass or black lilyturf (Ophiopogon planiscapus) is sold as a number of cultivars – ‘Arabicus’, ‘Black Dragon’, ‘Nigrescens’, or ‘Ebony Knight’. This stoloniferous grass-like perennial belongs to the lily family (Liliaceae) (USDA  hardiness zones 6-9). Its blackish-purple foliage (3/16 inch wide leaf blades) forms lush arching clumps. For the patient gardener, know that […]

Annual Geraniums Make Garden Comeback

Once popular annual geraniums (Pelargonium x) are making a comeback with U.S. gardeners. Geraniums are also planted in window boxes or hanging baskets. Three types of geraniums are sold at garden centers: zonal or bedding geraniums (P. x hortorum), ivy-leaf geraniums (P. peltatum), and Martha Washington geraniums (P. x domesticum). Color choices include red, pink, rose, salmon, […]

Russian Arborvitae For Cool Areas Of The U.S.

Russian arborvitae and Siberian cypress  (Microbiota decussata) is an underutilize ground cover (USDA hardiness zones 3-7). This tough juniper-like evergreen hails from Siberia and demonstrates exceptional cold hardiness to -40 ° F. In extreme northerly sites, the lacy evergreen foliage may turn complete brown in the dead of winter and re-sprout in spring. In the cool temps of […]

Planting Small Trees Under Power Lines

Look Up before you plant. From city streets to country roadside are a myriad of power (utility) lines, e.g. electric, telephone, and cable TV wires. Utility companies have a “right of away” clearance to operate their lines. In most municipalities, mature trees growing into their lines can be cut down or all offending branches removed. Large trees often end […]

Three New Summer Annuals You’ll Get Excited Over

Here are three new annuals which should delight: Striking Senecio ‘Angel Wings’ has silky, silvery white foliage. Angel Wings senecio is beautiful to add to mixed containers or use it solitary on patio or deck planters. Warning: you can’t resist touching the long, broad velvety leaves. Angel Wings grows 10-12 inches high and about as wide. Plant Angel Wings […]

Select List Of The Better Kousa Dogwood Varieties

There are over 100 named varieties (cultivars)  of kousa (Chinese) dogwoods (Cornus kousa) in nursery trade (USDA hardiness zone 5-8). Most cultivars grow 20-30 feet high with some exceptions. Kousa dogwood blooms 2-3 weeks after U.S. native flowering dogwood (C. florida). Most grow shrub-like and tree forms require extensive training at the nursery. Flowers are 2-4 […]

Spring Ephemerals

The cold dreary days of March have waned and many of our great Appalachian wildflowers have awakened. These plants are often referred  to as “ephemerals” because they come up, bloom, and fade away in 6-9 weeks. They bloom in a shady woodland or garden environment before the deciduous tree canopy has completely leafed out. Their […]

Hybrid Wax Begonia Revolution

Wax begonias (Begonia x semperflorens) are popular summer annuals in public and private  gardens. Begonias are excellent for mass bedding, in mixed borders, and in large containers. Plants hold up to summer heat, humidity, and moderate dry spells. The foliage stays mostly pest and disease free. A few years back, two series of interspecific hybrids (Begonia […]

Temperamental Big Leaf Hydrangeas

Get use to it… big leaf hydrangeas (Hydrangea macrophylla), also called hortensia hydrangeas, are temperamental (USDA hardiness zones 6-9). After a long winter of sub-freezing temperatures, these blue (or pink) flowering shrubs should be stunningly beautiful in spring. However, if the late winter- early spring temps flucuate wildly, grab your pruning shears. Too most gardeners, myself included, […]

Spike Winterhazels

I Winterhazels (Corylopsis spp.), native to China and Japan, is a wonderful genus comprised of winter flowering shrubs of varying heights and widths (USDA hardiness zones 5 to 8). Few U.S. gardeners know of them. Their bright yellow flowers are a lot bigger and showier than the witchhazels (Hamamelis spp.) which are close botanical relatives. […]