Archive for the ‘Rhododendrons’ Category

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 […]

Blue Flowering Shrubs

Most associate the color BLUE with the sky, the sea, and an endless horizon. Blue colors evoke feelings of tranquility, calm, and a peaceful state of mind. “Blue Skies” brings out happiness and smiles in people, particularly after consecutive days of dreary weather. Contrarily, a blue mood may elicit feelings of sadness and depression. The […]

Pruning Times for Flowering Shrubs

The late winter / early spring period are ideal times for pruning many (not all) flowering shrubs. At this time, shrubs are leafless, and you are better able to see the overall shape of the shrub and easily identify dead, damaged, diseased wood, and structural defects.  Pruning also stimulates new growth. Spring flowering shrubs (those […]

Bird Friendly Trees And Shrubs

Birds visit trees, shrubs, and vines for five things: fruits (berries), sweet nectar (flowers), insects (particularly caterpillars), nuts and seeds, and shelter. This list is a compilation from the North Carolina and Tennessee chapters of the Audubon Society of ornamental plants common in the Southern Appalachian region. Trees and Shrubs (26) Maples (Acer spp.) Downy Serviceberry […]

Tips On Overwintering Outdoor Containers

Containers filled with shrubs and perennials, doesn’t necessarily ensure their winter survival. Without adequate cold protection plants may succumb to cold injury—turning them into dead annuals.     To over-winter perennials in containers, you need to know their root and shoot temperature hardiness. Often, plant hardiness ratings is listed on the label. Roots and shoots of several […]

Attracting Hummingbirds

In early spring many area gardeners rush to set out hummingbird feeders filled with a sugary solution to encourage these feathery critters to visit. However, the sugary drink also attracts ants, bees, and wasps. The solution does not furnish vitamins, minerals, and carotenoids that hummingbirds pick up from pollinating flowers and eating insects. In addition, […]

Attracting Hummingbirds

This time of year many gardeners are setting out bird feeders, including those filled with a sugar solution to encourage hummingbirds to visit your garden. Unfortunately, the sugary drink will also attracts numerous ants, bees, and wasps. When warm spring and summer weather arrives, the solution clouds up with bacteria which ferments or perhaps fatal […]

Rhododendrons You Should Be Growing

“A healthy plant in the right place with proper maintenance” is a rhododendron that has few problems. Rhododendrons and azaleas are acid loving plants meaning plants should be planted in humus-rich slightly acidic soil (pH 5.2 -6.5). If the soil is not well amended, rhododendrons will have trouble surviving long term. Once planted, water during […]

Changing Garden Soil pH

In general, the garden soil pH fluctuates only slightly unless you accidentally spilled fertilizer or limestone. Soil pH is also affected by rainfall patterns, decomposing organic matter, and bacterial activity in the ground. In the eastern U.S. rain water is slightly acidic. Acid rain is the result of these pollutants (mostly sulfate and nitrate) from […]

Care Of Rhododendrons

In the U.S., two species of rhododendrons, Catawa (Rhododendron catawbiensis) and Rosebay (R. maximum), are plentiful in the Appalachian Mountain region. Their roots feed in part on the rich humus material in the rocky mountain soils. Over time fallen leaves, twigs, and flower parts decay into additional humus. Humus improves soil aeration and drainage, yet […]