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. […]
Archive for the ‘winter hardiness’ Category
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 […]
Tulip Poplar
Tulip poplar (Liriodendron tulipifera), aka yellow poplar and tulip tree, is a large stately deciduous tree of eastern North America (USDA hardiness zones 4-9). This fast growing native typically grows 60-90 feet tall and it is not unusual to see tulip trees over 100 feet. It is also an important timber tree. A member of the magnolia family, […]
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 […]
Christmas Fern
Christmas Fern (Polystichum acrostichoides) is an evergreen native fern that grows tough as nails. This native fern, also called the Christmas dagger fern, is indigenous to much of eastern North America; it grows in every U.S. state east of the Rocky Mountains (USDA hardiness zones 3 – 9). This durable fern has long been associated […]
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 […]
New USDA Hardiness Zone Map
The USDA Plant Zone Hardiness Zone Map is an important garden reference to anyone who gardens in the continental United States, Alaska, Hawaii or Puerto Rico. The U.S. Department of Agriculture (USDA) today released a new version of its Plant Hardiness Zone Map (PHZM), updating this valuable tool for gardeners and researchers for the first […]