Knockout® roses continue to wow gardeners across the U.S. (USDA hardiness zones 5 to 9). The original Knock Out series grew 5 to 8 feet tall and 4 to 6 feet wide. Shorter growing Double Knockout® series make better fit in most urban gardens at 3 to 4 feet high and 3 to 4 feet wide. Double […]
Archive for the ‘Trees & Shrubs’ Category
The Winterhazels Bloom In Late March Garden
Winterhazels (Corylopsis spp.), native to China and Japan, represent a group of winter flowering shrubs of varying heights and widths (USDA hardiness zones 5 to 8). Few U.S. gardeners know them. Their bright yellow colored flowers are larger and showier than witchhazels (Hamamelis spp.). Flowering begins as the witchhazels (they’re […]
Rose Care Starts With A Good Planting Site
Roses should be planted 4 feet apart on a garden site that receives 6 to 8 hours of sun. The garden soil must be well-drained and pH between 6.0 and 6.5. Prevent disease problems by providing good air movement between plants and not crowd them. Spring thru mid- summer is an ideal period to plant roses to allow […]
Spicebush – The Native Plant And The Butterfly
U.S. native spicebush (Lindera benzoin) is a beautiful landscape plant (USDA hardiness zones 4-9) for an open or woodland garden. Spicebush matures into a 12-15 feet tall and wide large shrub or small tree over many years. Light green deciduous leaves, 3 to 5 inches long, are delightfully fragrant when-crushed. Leaves is the preferred food for the […]
Pest Alert: Japanese Maple Scale Becoming A Serious Problem
Japanese maple scale is a new pest in Tennessee and surrounding states. It infests many more plant species than just Japanese maple. The insect’s small size and ability to blend in naturally with tree bark makes it challenging to detect until populations are high and it has infested large landscape and neighborhoods. Japanese maple scale […]
YoYo Winter Temperatures– Expect Flower Losses On BigleafHydrangeas
In the Southeastern U.S. region, wildly fluctuating temperatures this winter will likely destroy or delay spring and summer blooming on bigleaf (mophead) hydrangeas (Hydrangea macrophylla) (USDA hardiness zones 6 – 9). Other hydrangea species, such as smooth hydrangea (H. arborescens), panicle hydrangea (H. paniculata), and oakleaf hydrangeas, should not be affected. Bigleaf hydrangeas are […]
Versatile Corona Lopper/Hand Pruners
When stepping out in my garden, a pair of hand pruners (shears) is the first tool in my pocket or belt pouch. A good pair of pruning shears is indispensable for snipping off old spent flowers and growth from perennials such as hostas, daylilies, peonies, et al; shrubs […]
Growing Zone 6 Hardy Camellias 101
Drs. William L. Ackerman with the USDA (deceased) developed bred a series of interspecific crosses between C. oleifera and C. sasanqua, C. hiemalis, or C. vernalis selections. Many, not all, are identified as the Winter series because they bloom in the fall into very early winter. Dr. Clifford […]
Positive Facts About Tree Of Heaven
Tree of heaven (Ailanthus altissima) is a hated tree and tagged noxious and invasive across the U.S. (USDA hardiness zones 4 to 8). This aggressive species is indigenous to China and seems almost without limits as to where it takes root across the U.S. It has numerous nicknames, including “trash can tree”. It is the […]
Tree Of Heaven Grows Almost Everywhere (Unfortunately)
Tree of heaven (Ailanthus altissima) is one of the most aggressive trees on planet Earth (USDA hardiness zones 4 to 8). This large tree, indigenous to China, was introduced in North America in 1748 and brought to New York City in 1820 as a street tree and a food source for silkworm caterpillars. The tree […]