Archive for the ‘Summer heat tolerant’ 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) […]

Successful Gaura Growing Tips

Gaura (Oenothera lindheimeri) is a low-maintenance perennial native to the southern U.S. (Zones 5-9) and is a durable plant for gardeners. Its waving wands are dotted with dozens of whitish to pinkish flowers don’t stop blooming until summer temps climb above the 90°F range. Gaura is often called “whirling butterflies” because the flowers appear to […]

Rethink Before Planting These Five Groundcovers

Initially, these 5 groundcovers were alluringly beautiful. But, over time, each grow very aggressively and become a major chore to restrained in the garden. Several states have declared one or more species as invasive and ban them for sale and interstate transportation.  The most effective way to eliminate these aggressive groundcovers is to cut plants […]

Sweetbay Magnolia Cultivars

Sweetbay magnolia (Magnolia virginiana) is a U.S. native tree that is finally catching on with landscape designers. Sweetbay often grows 20-30 feet tall and 15-20 feet wide as a large shrub or multi-stemmed small tree. Discovering a 50-60 feet sweetbay near by a lake or pond is not unusual to find (USDA hardiness zones 5-9). […]

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 […]

Woodland (Snow) Crocus

Snow Crocus, aka early crocus (Crocus tommasinianum) is a late winter to early spring blooming bulb (corm) that is native to southeastern Europe into Asia.  These tiny crocus are generally the first to pop its leaves above the ground and even bloom when there is snow on the ground, hence its common name.  Snow crocus are […]