Archive for the ‘Garden Problems’ Category

When To Prune Spring Flowering Shrubs

Seven reasons why you prune: eliminate dead, diseased, insect riddled branches control plant height and spread shaping such as topiary, espaliered or pollardized trees increase or decrease the numbers of flowers and fruits rejuvenate an old shrub or tree remove low branches over walkways remove water sprouts and root suckers Flowering shrubs bloom from late February thru […]

Act Now for Crabgrass-free Lawn This Summer

What grows there? Hopefully, it’s not crabgrass this summer.  Crabgrass (Digitaria spp.) is an annual weed grass that devour lawns, shrub beds and flower gardens. There are lots of effective crabgrass preventatives sold at garden shops, hardware stores, and farm supply centers. There are numerous trademarked products. It is important to read and understand package instructions. […]

Pulmonarias: Wonderful In The Shade Garden

Although my multi-year addiction for hostas has never waned,  I remain equally passionate about the lungworts (Pulmonaria spp.). Lungwort is also called Bethlehem sage and Jerusalem sage. Their uniquely splotched or variegated foliage wakes up a dark patch in any shade garden. Lungworts are planted as ground covers and for color accents. In early spring (March), lungworts send up […]

Winter Jasmine Rising

Is the worst of winter behind us? Winter jasmine (Jasminum nudiflorum) is often confused with forsythia shrubs which bloom 3-4 weeks later in the spring. This hardy winter blooming vine from China frequently blooms in late February and March when daytime temperatures climb into the mid-50s for a week or more. Evening chilling temps down into the […]

Stop the Leyland Madness

Leyland cypress (x Cupressocyparis leylandii) is a tall, fast growing evergreen tree or shrub. Many are planted as privacy screens. Ask yourself, should you really plant a 50 foot barrier between you and your neighbor(s)?  In the Southern Appalachian region (USDA hardiness zones 6 and 7), there are shorter and better evergreen choices. In the 12-16 foot category: Boxwood (Buxus […]

Ice Storm- Keep Hands Off

An ice storm is both a beautiful and horrific scene in a garden. The potential for major tree/shrub breakage is staggering. If you feel powerless, this is good thing.  During the storm, do nothing / “hands off”. Most actions will likely cause more damage than what nature may have intended. After the storm assess the landscape areas which seem most vulnerable, or that […]

Ginkgo -Sex Education 101

Surviving an autumn season with a heavily fruited ginkgo (Ginkgo biloba) tree is a foul smelling experience. The odorous yellow fleshy fruits ripen in October and drop onto public streets and home lawns. Several times I have witnessed the Jonesborough Tennessee Fire Department raking up fallen fruit and hosing down a sidewalk too treacherous to walk […]

Coppicing – Renewal Pruning for Old Rhododendrons

Coppicing is a form of renewal pruning because the entire shrub is lopped off to the ground. It is a drastic pruning technique primarily used on shrubs that flower and fruit on new or summer wood, those that flower in late June or later. Coppicing is renewal pruning but is so simple that gardeners is […]

Failure of Shrubs and Trees to Bloom

It is usually quite difficult to determine why a shrub or tree fails to bloom. Most often the problem is the plant’s health, related to weather or environmental factors. Sometimes, the gardener has grown the plant poorly. Here are the seven leading causes: High much nitrogen? The nitrogen to carbohydrate ratio (C:N) is a common […]

Potential Epidemic In Your Car Trunk Or Camper?

Photo: walnut twig beetle infestation Tennessee Department of Agriculture (TDA) officials urge state residents and visitors to the state to help prevent the spread of Thousand Cankers Disease in black walnut (Juglans nigra)trees and Emerald Ash Borer in ash species (Fraxinus spp.). Take the following steps:  Don’t transport firewood, even within Tennessee. Don’t bring […]