Winter 2010 lingers on across Tennessee, Virginia and North Carolina. The white coating of de-icing salts over streets and highways can damage many trees and shrubs. Salt spray and salt deposits may also leach into the soil and become equally damaging. Plant species vary in their sensitivity to salt injury.Browning of the tips of needle […]
Archive for the ‘Garden Problems’ Category
Why My Tree Or Shrub Doesn’t Bloom
Posted by Hugh on January 5th, 2010
Frustrated by a fruit tree or ornamental tree that does not bloom? There are 5 primary causes: Lack of sunlight – insufficient light reduces flower bud development Fertility – too much nitrogen fed to plants can over-stimulate vegetative growth, either delaying or preventing flower bud development Winter injury or chilling tender flower buds in one […]
Root Injury to Container Plants
Posted by Hugh on January 2nd, 2010
The 4 most common reasons why gardeners lose outdoor container plants during the winters are:1. Sub-freezing temps2. Soil freezing for long periods3. Waterlogged roots4. Dessication from dry winter winds Roots are not as cold hardy as above-ground shoots, trunks, branches, etc. Evergreen plants become more challenged when the soil media is frozen. Their leaves demand […]
‘Sky Pencil Holly vs ‘Dee Runk’ Boxwood
Posted by Hugh on December 28th, 2009
Boxwoods and hollies are mainline evergreen shrubs, utilized for low hedging, privacy barriers. Single shrubs are planted solely for their architectural accent. Both hollies and boxwoods grow best in moist, well-drained soils and in full sun to partial shade. Both prefer soils with a pH of slightly acidic to slightly alkaline. Boxwoods tend to be more shade tolerant than […]
Posted in acidic soil, Bees and other pollinators, Boxwood (Buxus), Container garden, container shrub, Drought tolerant, Evergreen, Evergreens, Fertilizing plants, Ilex (hollies), Landscape ideas, mulching, Planting tips, Propagation (Cuttings), Pruning, Purchasing Plants, Soil drainage, Soil pH, Southern Appalachian Region, Trees & Shrubs, watering tips, Weak branching, Wind protection, winter hardiness 
Comments Off on ‘Sky Pencil Holly vs ‘Dee Runk’ BoxwoodPlanting Leyland Cypress May Be Big Mistake
Posted by Hugh on December 23rd, 2009
If you live in USDA Plant Zone 6-b – 7, planting leyland cypress (x Cupressocyparis leylandii) could eventually turn into a maintenance diseaster in your landscape. Leyland cypress is a green behemoth, too fast and aggressive for most folks to handle. Ask yourself, “do you really need a 60-70 foot evergreen privacy screen around your […]
Beware of Storm Damaged Trees
Posted by Hugh on December 20th, 2009
This past weekend Northeast Tennessee as well as most of the coastal eastern U.S. was hit by heavy snow, 7 inches and more of heavy, wet clinging snow. Many of my neighbors lost electric power, telephone and cable. A driveby survey of tree damage around the neighborhood found that the following tree species suffered the […]
Posted in Elms (Ulmus), Maples (Acer), Pear (Ornamental), Pines (Pinus spp.), Pruning, Southern Appalachian Region, Trees & Shrubs, winter injury Comments Off on Beware of Storm Damaged TreesDogwoods for Spring
Posted by Hugh on December 18th, 2009
Five disease resistant varieties of flowering dogwood (Cornus florida), released by the University of Tennessee in Knoxville, are available at local garden centers this spring. Supply should be better than in past years. Powdery mildew resistant varieties: ‘Appalachian Snow’ (pictured), ‘Appalachian Blush’ and ‘Appalachian Mist’. In addition, ‘Cherokee Brave’, with dark pink flowers, exhibits good mildew resistance. […]
Posted in Attracting birds, Bees and other pollinators, Dogwood (Cornus), Landscape ideas, Native Plant, Ornamental fruit, Purchasing Plants, Soil drainage, Southern Appalachian Region, Spring flowering, Trees & Shrubs Comments Off on Dogwoods for SpringHardy Forms of Deodara Cedar
Posted by Hugh on October 3rd, 2009
I am surprised by the increasing numbers of deodara cedars (Cedrus deodara) that are prospering in Zones 6-b and 7 gardens. Apparently, deodara cedars are much hardier than once thought. The buzz at a recent American Conifer Regional meeting is these varieties list here are worthy of planting: Tree forms: ‘Karl Fuchs’ ‘Shalimar’ ‘Eisregen’ ‘Eiswinter’ ‘Polar […]
Posted in acidic soil, Deodara cedars (Cedrus), Disease resistant, Drought tolerant, Evergreens, Landscape ideas, mulching, Propagation(grafting), Purchasing Plants, Soil drainage, Southern Appalachian Region, watering tips, Winter Garden Interest, winter hardiness, Winter Protection Comments Off on Hardy Forms of Deodara Cedar
