Archive for the ‘Heat Tolerance’ Category

Outdoor Holiday Decorating With Poinsettias and Cyclamens

If you live in U.S. hardiness zones 3-7, December weather is ordinarily is too frigid to grow poinsettias and cyclamen outdoors. Southeastern U.S. cities like Charleston, SC, Savannah, GA, and northern parts of FL like Jacksonville, Tampa and Orlando enjoy mild December temperatures 50 º F. lies in zone 8 as well as most of the Dallas […]

Hardy Sedum Groundcovers

Sedums (Sedum spp.) are tough, easy to grow perennials (zones 3-9). Plants prefer average dry to moist well-drained soils and full to partial sun. Most sedums do not tolerate wet soils. Their thick succulent glossy leaves lead to the plants’ exceptional drought resistance. Sedums are exceptionally easy to root from leaf and stem cuttings. Low groundcover types […]

Tips for Growing Abutilon (Flowering Maple)

Abutilon (Abutilon x hybridum) is a group of tender evergreen perennials (USDA hardiness zones 9-11). In USDA hardiness zones 6 thru 8, abutilon is grown outdoors from mid-spring to mid- autumn, when it is moved indoors and grown as a tropical houseplant. When moved indoors, partially cut back to fit its indoor space. In early spring prune the plant […]

Overwintering Caladium Tubers

Dr. Mary Lewnes Albrecht, retired dean of the Herbert College of Agriculture at the University of Tennessee, offers her recipe for overwintering caladiums. For many years Dr. Albrecht has been saving several heirloom varieties by this procedure: #1.  Plants start to go dormant in late September through October (zone 7a Tennessee) and earlier if summer […]

Ten Native Shrubs Possessing Great Fall Leaf Color

Some native U.S.  landscape shrubs are not only great spring/summer flowering shrubs, but their fall foliage color(s) are an added attraction. Here are ten of my favorites listed alphabetically by genus: Bottlebrush Buckeye (Aesculus parvifolia) – foliage of this summer flowering shrub turns bright yellow in fall. (zones 4-8) Red Chokeberry (Aronia arbutifolia) – under-planted native shrub that […]

Osage Orange As A Landscape Tree

Osage orange (Maclura pomifera) has been declawed and neutered (USDA Zones 5-9). A member of the mulberry family (Moraceae), this tough prairie tree species is native to east Texas, Oklahoma and Arkansas. It grows fast @ 2 ½ to 3 feet per year. It is also called Bois D’Arc (pronounced “bow-dark”). Osage orange is a […]

Fall Lawn Care Tips

  The fall season is  “spring-time” for home lawn care. This is a great opportunity to apply grass seed, fertilize, and eliminate weeds in cool season lawns. In Tennessee (USDA hardiness zones 6-7), cool season grasses (fescue, bluegrass and perennial rye) are fertilized in mid-September with a high nitrogen-based fertilizer, available at most garden centers. […]

Texas Elephant Ears Study*

Dr. Jared Barnes and colleagues at Stephen F. Austin University in Nacogdoches, Texas, trialed 46 Colocasia species/cultivars over two years to determine what performed best over a two-year growing period. First of all, Nacogdoches is in east Texas (Zone 8-b) and typifies the upper coastal plain, stretching from there east to South Carolina. Cultivars were […]

Favorites Among The Rose Of Sharon (Althea) Shrubs

Rose of Sharon, aka shrub althea, (Hibiscus syriacus) is a woody hibiscus shrub that is hardy in temperate northern areas of the U.S. (USDA hardiness zones 5-9). This summer flowering shrub is exceptionally easy to grow. At one time,  it was a great pass-along shrub that fell out of favor. However, old fashioned varieties frequently reseeded […]

Growing Castor Bean Plant

Over the years castor bean (Ricinus communis) plants have been a common sight in public gardens. These tall ornamental annuals are cherished for both their colorful flowers and seed capsules, and bold foliage. The species, a botanical member of the spurge family (Euphorbiaceae), is indigenous to the southeastern Mediterranean region, Eastern Africa, and India. Unlike many spurges, the […]