Archive for the ‘alkaline soil’ Category

Act Quickly Against Eastern Filbert Blight

European Hazelnut (Corylus avellana) is highly prized both for its edible nuts and as a landscape shrub/small tree. Unfortunately, it is susceptible to eastern filbert blight (EFB). American hazelnut (C. americana) is relatively resistant. EFB is a lethal disease as it may kill a large shrub in 4-5 years. The fungus was discovered in the Pacific […]

Chinese Fringetree Is Versatile Landscape Tree

Chinese fringetree (Chionanthus retusus) is native to China, Korea and Japan (Zone: 6 to 9a). Related to native U.S. species (C. virginicus), fringetrees are noted for their profuse spring bloom of fragrant white flowers. It is most often seen in cultivation as a large, multi-stemmed, deciduous shrub growing to 15 – 20 feet tall with a […]

U.S. Native Bleeding Hearts Dazzle In Woodland Garden

One of nature’s delights in the late spring  – early summer garden is the wonder of bleeding hearts (Dicentra spp.) in bloom (USDA hardiness zones 3-9). Fringed bleeding heart (D. exima) is a U.S. native to  the Appalachian Mountains. Fringed bleeding heart exhibits deeply-cut, fern-like, grayish-green foliage on 10-15 inch tall plants. Dangling bright pink pendant (or heart) flowers […]

Sweet Potato Vines

Ornamental sweet potato vines (Ipomoea batatas) have been around since the late 1980’s, but their popularity have soared over the past decade. These sweet potatoes aren’t for the table. The colorful vines thrive in the intense heat of U.S. summers from May through September (zones 5-11). These easily grown plants work well as a low-growing bedding plant, […]

Stop The “Crape Murder”

In Tennessee (where I live) and in the Southeastern U.S., bad crape myrtle (Lagerstroemia x) pruning continues to be done by professional landscapers and homeowners (USDA hardiness zones 6-9). This practice, also called “topping”, reduces tree (or shrub) height. Over 25 years, Southern Living magazine called this “crape murder”. Crape murder is not going away. More crape […]

Arctic Fire™ Dogwood Brightens Up Winter Landscape

Red-twig or red osier dogwood (Cornus stolonifera) is a native shrub (USDA hardiness zones 2-7). It reaches 8 to 10 feet in height and roots sucker prolifically. It can become a chore keeping it contained in small garden spaces. Arctic Fire™ is a superior cultivar identified by its fiery red stems and compact growth habit. Expect […]

Crape Myrtles Exhibit Beautiful Bark In Winter

The flowers of crape myrtles are a wonderful floral treat in the summer months, several exhibit gorgeous exfoliating bark. Some also show off autumn foliage colors. Here are the best ten species and cultivars of crape myrtles noted for their exfoliating bark. Lagerstroemia hybrids (L. indica x L. fauriei) Hopi – 8-10 feet semi-dwarf shrub; gray brown exfoliating bark; medium pink […]

Mapleleaf Viburnum For Woodland Areas

The genus Viburnum is a rich source of over 150 species of great flowering shrubs worldwide. Many viburnums are native to North America including mapleleaf viburnum (Viburnum acerifolium). This totally underutilized deciduous viburnum is a great choice to plant in shrub borders, foundation, or hedging, as well as to naturalize in an open woodland area (zone 3-8). Shrub grows 4 – […]

Fritillarias – Very Different Spring Flowering Bulb

Crown imperial (Fritillaria imperialis), aka fritillaria, is an impressive spring flowering bulb that is native of Southwestern Asia to the Himalayas (USDA hardiness zones 5-8). In late April to May, large drooping orange, red, or yellow bell-shaped flowers are topped by a small pineapple-like tufts of leaf-like bracts. The leafy fringe on top resembles a […]

New PG Hydrangeas Excel In Performance

Panicle, PeeGee or PG hydrangeas (Hydrangea panculata) brighten up the July and August garden landscape. They’re native to China and Japan. They grow and bloom almost anywhere in the U.S. (USDA hardiness zones 3 – 8). Unlike mophead hydrangeas (H. macrophylla), that often fail in full day sun, PGs excel in 6 hours or more of sun. PG hydrangeas are vigorous growers with upright branching and coarse textured […]