Archive for the ‘Trees & Shrubs’ Category

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, […]

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 […]

Seven Winter Blooming Shrubs

If you live where winter temperatures are generally moderate in the low teens, a number of shrubs bloom in winter. In the Delmarva and mid-South regions (USDA hardiness zones 6-7), these seven plants bloom reliably for 2-3 weeks before spring officially arrives. 1. Winter honeysuckle (Lonicera fragrantissima), aka fragrant honeysuckle, are covered with small fragrant […]

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 […]

Foster Holly

Foster holly (Ilex x attenuata) is an old holly favorite which has not lost its sizzle. Cultivars of Foster Hollies were selected by E.E. Foster of Foster Nursery in Bessemer, Alabama in the 1950s. It is utilized in a number of landscape options across the Southern Appalachian region (USDA zones 6 and 7), including in containers in […]

Substitutes For Callery Pear

The end to planting Callery pears (Pyrus calleryana), aka Bradford Pear, is almost within sight as more states are banning sales of the tree at garden centers and box store garden departments. Recently, Ohio, South Carolina and Pennsylvania have banned further plantings. This March blooming flowering tree has been determined to be invasive. It produces […]

January Blooming Vernal Witchhazel

This winter – follow your nose to Vernal witchhazel (Hamamelis vernalis), aka Ozark witchhazel. (USDA zones 4-8). This U.S. native witchhazel grows as a deciduous shrub to small tree. It may produce the smallest flowers of all witchhazel species, but they’re highly fragrant when little else is blooming. It naturally inhabits a wide area encompassing […]

Burls on Tree Trunks

An unusual swelling on trunks of trees and occasionally on large branches are “burls”. They’re round, swollen-looking growths on tree trunks and large scaffold branches. Should or shouldn’t you be concerned? Burls are not uncommon and can be found on cherry, maple, oak, buckeye, ash, willow, locust and walnut in Eastern forests. Root burls may […]