Archive for the ‘Drought tolerant’ Category

Growing Mountain Laurels in Your Landscape

Mountain laurel (Kalmia latifolia) is a U.S. native evergreen broadleaf shrub (USDA hardiness zone 5). Mature sizes range from 5 feet (dwarf cultivars) to 12 feet in height and with equal spread. Over the past 30 years, mountain laurels have so improved, thanks to breeding efforts of Dr. Richard Jaynes*. He has released several dozen […]

Evaluating Weeping Bald Cypress Cultivars

Bald cypress (Taxodium distichum) is a large 75 -80 foot deciduous conifer tree. They are long-lived, often 100 years or more. Bald cypress is incredibly hardy from the warm humid Florida swamps to the cold winter temperatures and loamy soils of central Michigan. Bald cypress is tolerant of a wide range of soil and moisture […]

Exceptional Describes ‘Major Wheeler’ Climbing Honeysuckle

Climbing or coral honeysuckle (Lonicera sempervirens) is a native vine. It can be spotted growing on fence rows along roadsides and in woodlands from Connecticut to Nebraska, and south to Texas and Florida. ‘Major Wheeler’ is one of the better climbing honeysuckles noted for its non-stop production of bright red trumpet flowers and green mildew resistant foliage. Red […]

Botrytis Disease in Marigolds Can Be Avoided

Botrytis Disease in Marigolds Marigolds (Tagetes spp.) have been long time favorite summer annuals in Southern Appalachian gardens (USDA zones 6 and 7). Marigolds come in three sizes: 18-36 inch tall “African” marigolds, 12-18 inch medians and 8 -12 inch “French” border types and in two color choices- orange and yellow. Begin planting in April or May after […]

Bloomerang™ Lilac For Non-Stop Flowering

  In most Northeast and Midwestern states, lilacs (Syringa spp.) are the classic spring-flowering shrub, treasured for their beautiful and fragrant flowers. Lilacs are vigorously growing shrubs and are utilized in the landscape as single specimens or as multiple hedging shrubs for privacy. Further south, in the warmer Southern Appalachian region (USDA zones 6 and […]

Powis Castle Artemisia Is Exceptional

Most artemisias (aka “wormwood”) can not cope with the summer heat and humidity in the mid-South. Their silvery foliage tends to burn out (some say “melt out”) in mid to late summer. ‘Powis Castle’ artemisia is truly the exception. Powis Castle is likely a hybrid (Artemisia arborescens x A. absinthium Powis Castle is a bushy, woody-based perennial […]

Efforts To Solve Japanese Barberry Invasive Problem

Japanese barberry (Berberis thunbergii) is a very popular landscape shrub. Japanese barberry is indigenous to Eastern Europe and Asia and is commonly planted in USDA hardiness zones 4-8. There is justified concern over the invasive nature of Japanese barberry. A number of states have declared most barberry species (Berberis spp.) to be invasive and have […]

Parrotia: A Great Medium-sized Landscape Tree

Parrotia (Parrotia persica), aka “Persian ironwood”, is native to Iran, Turkey, and the Caucasus region. Parrotia forms a lovely carefree medium sized lawn or street tree. Tree framework is vase-shaped, initially narrow at the base and flaring out in the canopy as it ages. Mature tree height varies 25-40 feet, depending on location and the seedling or cultivar planted. Rated hardy in USDA  […]

‘Quasimodo’ Vernal Witchhazel

Vernal witchhazel (H. vernalis) is a dense growing 8-12 foot native shrub which blooms in mid-winter in the Southern Appalachian region (USDA zones 6 and 7). It is winter hardy to zone 4. Small ½ inch wide yellow to red flowers, flushed red at the base, emit a pleasant witchhazel aroma in February. Often, it is the […]

‘Little King’ Birch For Small Gardens

Little King, aka Fox Valley™, (Betula nigra ‘Little King’) is a 10-12 foot tall shrubby river birch, which fits into small landscapes. Simple minimal pruning can shape it into a lovely small tree. Little King possesses the desirable traits of  large river birches, including an oft-white exfoliating bark. River birch exhibits good heat tolerance in the Southeastern U.S. (USDA zones 4-8) and has […]