Big and bold is this tropical annual (USDA hardiness zones 9-11), known by several names including popcorn or peanut butter cassia (Senna didymotrya), formerly Cassia didymotrya. Popcorn plant is a legume family (Fabaceae), indigenous to tropical Africa. It is also been utilized as a cover crop or green manure crop in some areas of the world. It thrives […]
Archive for the ‘Southern Appalachian Region’ Category
Monarch Tagging Program*
*Blog is guest authored by Joy Stewart, University of Tennessee Master Gardener. She lives in Bristol, TN. For such a small creature, weighing in at only half a gram, the Monarch butterfly has almost more remarkable facts and puzzling mysteries attached to it than one can count. No other butterfly in the world migrates like […]
Blue Lyme Grass Adapts To Almost Any Surroundings
Blue Lyme Grass (Leymus arenarus ‘Blue Dune’) is a vigorous spreading cool season grass (USDA Hardiness zones 3-9). It is native to the coasts of northern and western Europe. A closely related species, L. mollis, is native to the northern coasts of North America. Blue lyme grass is a stand out because of its beautiful steel-blue foliage. Atlanta Botanical Gardens has sited it […]
Seven Ideas for Managing Mosses in Lawn Areas
Mosses, over 14,000 species of them worldwide, are major competitors with lawn grasses in certain landscape situations. They belong to their own plant family. They photosynthesize and draw moisture from tiny rhizoids (primitive root systems). They do not compete for soil nutrients with lawn grasses. Some can live in full sun, other kinds in shade […]
Mapleleaf Viburnum For Woodland Areas
The genus Viburnum is a rich source of over 150 species of great flowering shrubs worldwide. Many viburnums are native to North America including mapleleaf viburnum (Viburnum acerifolium). This totally underutilized deciduous viburnum is a great choice to plant in shrub borders, foundation, or hedging, as well as to naturalize in an open woodland area (zone 3-8). Shrub grows 4 – […]
Five Landscape Plants On The Gardeners’ Taboo List
To many people, maintaining a garden or landscape means a lot of hard work. Sometimes the weeds outgrow what you have planted. Some landscape plants promise a lot of beauty but deliver nothing but problems. Some trees are weak wooded, prone to pests or diseases, and outgrow their space. Some produce smelly odorous flowers. I urge […]
Starting Oak Trees From Acorns
Acorns begin ripening and falling from oak trees (Quercus spp.) anytime from late August until mid-November. Ripening dates vary from one year to the next. Harvest the healthy plump acorns, either off the tree or from the ground. Remove and dispose of the cap. If you have collected several […]
Uniquely Different Chinese Flame Tree
Chinese flame tree, aka bougainvillea goldenrain tree (K. bipinnata), is another tree option in U.S. southern landscapes (USDA hardiness zones 7-10). It is closely related to the more widely planted goldenrain tree (Koelruteria paniculata). This fast growing tree develops into a nice 20-40 feet tall medium-size tree with an irregular canopy. Chinese flame tree is highly drought tolerant (after one year established). […]
Fritillarias – Very Different Spring Flowering Bulb
Crown imperial (Fritillaria imperialis), aka fritillaria, is an impressive spring flowering bulb that is native of Southwestern Asia to the Himalayas (USDA hardiness zones 5-8). In late April to May, large drooping orange, red, or yellow bell-shaped flowers are topped by a small pineapple-like tufts of leaf-like bracts. The leafy fringe on top resembles a […]