Archive for the ‘Trees & Shrubs’ Category

Pest Update – More Pesticide Options for Hemlock Adelgid Control

Twenty years ago predictions of the demise of our native Canadian (Tsuga canadensis) and Carolina hemlocks (T. carolina) from home and commercial landscapes turned out to be incorrect. The key reason was the effectiveness of the insecticide Imidacloprid®. This product is licensed by Bayer AG, and is found in a number of lawn and garden […]

Long-Lived Cedar of Lebanon – A Record Of Human History

Cedar of Lebanon (Cedrus libani) is a tree aristocrat among conifers. Among the true evergreen cedars it is rated the cold hardiest (USDA zone 5). Its broad horizontal branching and dark green needles defines this tree. The bright green tufted needles are less than 1 inch long and not as showy as the more popular […]

Add A Little Muscle To Your Landscape

Underutilized and underappreciated. That’s American hornbeam (Carpinus caroliniana), aka ironwood or muscle wood. It grows primarily in moist, slightly acid soils along woodland rivers and streams. Our native hornbeam possesses the ability to adapt to a range of landscape situations. It grows equally well in full sun or partial shade. Its dark green summer foliage is rarely troubled […]

Select The Perfect Christmas Tree

Decorating a live Christmas tree is traditional in many homes. Many different species of evergreen trees are sold at tree lots near you. Frazier Fir (Abies fraseri) is the most popular Christmas tree in the southeastern U.S. Named for Scottish botanist John Fraser (1750-1811), it makes its home in the higher mountainous elevations of Tennessee, […]

Amur Maple Excellent Medium Sized Tree For Urban Landscapes

Amur maple (Acer ginnala) (now A. tataricum ssp. ginnala) is a lovely small sized tree from China, Manchuria and Japan. It has long been popular in residential areas in the Midwest and Eastern U.S. and is slowly being planted in the mid-South (USDA hardiness zones 6 and 7). Extreme summer heat may limit its use. […]

Deer Don’t Feed On Plum Yews

Plum yews (Cephalotaxus harringtonia) are evergreen needle conifers which flourish in the heat and humidity of the Southeastern U.S. (USDA hardiness zones 6-9). Likely, the groundcover forms are hardier to zone 5-b if protected by snow cover or surrounding vegetation from dry winter winds. Plum yews are native to China, Korea and Japan. Many people […]

‘Beni kawa’ Japanese Maple for Winter Bark Color

Beni kawa Japanese maple (Acer palmatum ‘Beni kawa’) is a smaller version of the popular coral bark maple ‘Sango kaku’. It was introduced by Greer Gardens Nursery in Oregon in 1987.  ‘Beni kawa’ matures to 12-15 feet tall and 8-10 feet wide, compared to 20-25 feet tall for ‘Sango kaku’. Both cultivars form a vase-shaped branched small […]

Franky Boy Arborvitae

Franky Boy oriental arborvitae (Platycladus orientalis ‘Franky Boy’ [syn Thuja orientalis]) is a dwarf evergreen conifer currently in hot demand among collectors. What immediately catches your eye is its thread-like foliage which changes color from one season to the next. Its evergreen foliage adds a fine textured look to the landscape. The new spring growth […]

‘Morgan’ Oriental Arborvitae

When dwarf conifer hobbiests visit one another’s gardens, they discover new plants, some which later show up in their own landscape. Morgan oriental arborvitae (Platycladus orientalis ‘Morgan’) has become very popular among collectors living in the southeast and mid-Atlantic regions. Morgan arb is a fairly slow-growing, typically 5 inches or less per year. It provides […]

Promising New American Chestnuts Arriving

Chestnut blight (Diaporthe parasitica Murrill) was first discovered in the Bronx Zoo in 1904. By 1911 the headline in The New York Times read – “All Chestnut Trees Here Are Doomed”. Over the next half century, the pandemic eliminated four billion trees. Today, the airborne bark fungus still persists in the soil and on diseased […]