Archive for the ‘Cold tolerance’ Category

Twenty Highly Dependable Small Landscape Trees

In small landscapes, where growing space is limited, a number of outstanding trees may be planted. Several are also examples of great spring or summer flowering trees. U.S. native species are designated N. Additional landscape traits include: Grow under 30 feet in height and underneath power lines). Winter hardiness across the U.S. (USDA hardiness zones […]

Growing Cyclamen In The Home

Cyclamens, the non-hardy forms, have become popular gift plants. Cyclamens are incorrectly labelled as tropical houseplants at garden shops. Many people enjoy this flowering plant for long as possible and toss it once blooming has stopped. Cyclamens enjoy a long blooming period indoors in a cool room and are fussy, a bit of a challenge […]

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 […]

12 Woody Trees And Shrubs Perfect For Containers

Japanese maples, hydrangeas, hollies, boxwoods, camellias, and dwarf conifers are popular favorites to grow in pots. Often, they’re part of mixed plantings coordinated with colorful annual and perennial flowers. If and when these outdoor trees and shrubs outgrow their pots, you have one of three options available: 1.) move plants into a bigger pot, 2.) […]

Black Mondo Grass

Black mondo grass or black lilyturf (Ophiopogon planiscapus) is sold as a number of cultivars – ‘Arabicus’, ‘Black Dragon’, ‘Nigrescens’, or ‘Ebony Knight’. This stoloniferous grass-like perennial belongs to the lily family (Liliaceae) (USDA  hardiness zones 6-9). Its blackish-purple foliage (3/16 inch wide leaf blades) forms lush arching clumps. For the patient gardener, know that […]

Temperamental Big Leaf Hydrangeas

Get use to it… big leaf hydrangeas (Hydrangea macrophylla), also called hortensia hydrangeas, are temperamental (USDA hardiness zones 6-9). After a long winter of sub-freezing temperatures, these blue (or pink) flowering shrubs should be stunningly beautiful in spring. However, if the late winter- early spring temps flucuate wildly, grab your pruning shears. Too most gardeners, myself included, […]

American Hornbeam – Versatile Small U.S. Native Tree

American hornbeam (Carpinus caroliniana), aka ironwood or muscle wood, grows primarily in moist, slightly acidic soils along woodland rivers and streams (USDA hardiness zones 3-9). This native hornbeam adapts to either wet or dry ground as long as soil moisture drains off, and it does not  flood over long periods. This durable small tree copes with […]

Fall/Winter Water Garden Maintenance

In the spring and summer seasons, a water garden is a tranquil and refreshing respite in the home landscape.  However, in the fall, lots of leaves and debris fall into the pond. Here are a few  tips to prepare your water garden for the winter season. Some water gardens are designed so that the waterfalls and streams run continuously through the fall-winter […]

Native Serviceberry

Serviceberry (Amelanchier arborea) is a medium-sized native tree. Its native range stretches from Ontario to the Gulf Coast (USDA hardiness zones 4-9). However, it performs well across the Western and Central U.S. Serviceberry is regionally known by many names, including shadbush, shadblow, sarvisberry, sarvis tree, and Juneberry. The latter refers to the small greenish-blue, ripening […]

Protect New Trees From Winter Sunscald

Across the northern U.S. and Canada, cold temperatures can damage many plants. Wide fluctuations in temperature can be particularly detrimental to newly planted landscape and fruit trees from late fall to early spring.  Street trees are particularly susceptible. Sun scald is described by elongated, sunken, dried, or cracked areas of dead bark, usually on the […]