Archive for the ‘Pruning’ Category

Mini-Oakleaf Hydrangeas

Oakleaf hydrangea (Hydrangea quercifolia) is a U.S. native and it offers four seasons of landscape beauty. (USDA hardiness zones 5-9). Typically, oakleafs grow 10-12 feet tall deciduous shrubs that are broad-rounded, suckering, and multi-stemmed. In the wild, if left unpruned, shrubs reach over 20 feet in height and spread. I have selected five compact growers […]

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) […]

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 […]

Lacebark Pine – A Year-round Treasure

Native to China, lacebark pine (Pinus bungeana) is an excellent, low-maintenance evergreen treasure. Winter-hardy in USDA hardiness zones 4-8, this specimen pine struggles in the summer heat and humidity of the Southern U.S. Best specmens are found growing in arboretums and botanical gardens north of zone 8. This 3-needle pine offers 4-seasons of ornamental interest. […]

Three Native Azaleas That Should Be Included In Mid- Atlantic and Southern Gardens

About Native Azaleas: Flowers appear from April to September depending on species. Flower clusters (called “trusses”) appear just before the leaves emerge. Each truss may bear 3 – 12 blooms, which open 1.5 – 2 inches wide.  Flower colors vary among native species from white, pink, orange and red shades. In many spring blooming species, the open petals […]

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 […]

Wonderful Carolina Silverbells

To start, the botanical literature is a little confusing regarding the two silverbell species. Mountain silverbell (Halesia tetraptera; formerly H. carolina) and two-winged silverbell (H. diptera) are native to the Appalachian Mountains of Tennessee, North Carolina and Georgia. (Zones 6-9). Silverbells are either small- to medium-sized deciduous trees or large, multi-stemmed shrubs. It blooms in the spring (late-March […]

Foamflowers For Your Shade Garden

Foamflower (Tiarella cordifolia) is a low-growing, clump-forming woodland perennial groundcover. It grows naturally in moist forests, coves, and well-drained bottomlands where it spreads by slender runners (stolons) to form dense, 1-2 feet wide clumps of foliage or colonies. Small spikes of creamy white spring flowers and its attractive bright green foliage are solid pluses in […]

Why Newly Planted Trees Die

The loss or decline of a newly planted tree or shrub is usually a result of multiple factors. One of the worst mistakes is planting trees or shrubs too deeply – whether they are planted by a home gardener or a landscape professional. I’ve witnessed both. Surface roots are deprived of oxygen the deeper trees […]

‘Jeana’ Phlox 2024 PPOY

The Perennial Plant Association (PPA) has selected ‘Jeana’ the 2024 Perennial Plant of the Year (PPOY). This exceptional garden phlox is recognized for its impressive flower show, tall sturdy plant habit, and pollinators’ delight. (USDA Hardiness Zones 3 to 8). Dense, domed lavender-pink flowers stand atop long sturdy stems from midsummer to early fall. Individually, […]