Archive for the ‘Winter Protection’ Category

Firebush Is One Tough Texas Flowering Plant

Firebush. aka scarlet bush (Hamelia patens),  is indigenous from Mexico to Central America (USDA hardiness 10-11). Treat it as a tempermental perennial in zone 9, and an annual everywhere else it is not hardy. This fast growing plant blooms through most of summer into fall with showy clusters of tubular red buds and flowers. Firebush thrives in Texas heat […]

Ice Plants (Delosperma)

Ice plants (Delosperma spp.) are perennial evergreen succulents from South Africa. Two species are most popular in U.S. gardens starting with hardy ice plant (D. cooperi) (zones 6b – 9) and yellow ice plant (D. nubigenum) (zone 4 – 10). There are also many hybrid cultivars sold at garden centers and on-line. North of zone […]

Less Invasive Butterfly Bush Identified

Butterfly bush (Buddleia) is a popular garden shrub in many areas of the U.S. Buddleia invasiveness is a serious issue in the Pacific Northwest. The Oregon Dept of Agriculture, Plant Division, has approved for sale these buddleia cultivars in the state. The approved varieties produce 2% or less viable seed, meeting Oregon’s standards for sterility. The […]

How Drought Affects Our Landscape Trees*

Long term drought can be devastating on landscape and woodland trees. An environmentally stressed tree must expend additional energy to survive. Extremes of drought leads to decreases in trunk diameter and height growth, declining resistance to pests and diseases, less food production via photosynthesis, and in flower and fruit production. Symptoms of drought stress include wilted […]

Gardenias Continue To Disappoint In The Mid-South

The lure of fragrant white flowers have mid-South gardeners (zones 6 and 7) wanting to grow gardenias (Gardenia jasminoides). New cultivars, supposedly hardier than previous ones, hit garden centers every spring. Unfortunately, zones 6 and 7 winters usually prove them wrong. Recent purchases of new cultivars ‘Frostproof’ and Pinwheel® and older selection ‘Kleim’s Hardy’ have […]

Tips On Planting Landscape Trees or Shrubs

For some senior gardeners, planting a tree or shrub in your landscape may be a difficult task. The loss of a newly planted tree may be expensive as well as heartbreaking. Following proper planting techniques should avoid any mistakes. Here are a few tips to make the job a lot easier. No need to dig deep […]

ACS SOUTHEAST REGION CONIFER REFERENCE GARDENS*

I hear people say that conifers won’t grow in the southeastern U.S. Wanta bet! 2016 marks the 8th year of the Reference Garden program sponsored by the American Confer Society (ACS)- Southeast Region. From Kentucky and Virginia south to Florida, 19 public gardens were now participating in the program. Two of the latest additions are Brookgreen […]

Tips On Growing Azaleas

Evergreen azaleas (Rhododendron spp.) are actually small-flowered rhododendrons. Depending on where you garden, azaleas enjoy a long bloom period from late March (zone 8) to June (zone 4) in the U.S. Many cultivars bloom for two weeks or more. Fall blooming types like Encore® and Bloom-a thon® series are also available. Azaleas have shallow root systems […]

Basic Care Tips In The Spring Perennial Garden

              In late winter – early spring, after the snow has melted and daytime temperatures are steadily above freezing, let’s get busy with the cleanup in the perennial garden. First, if you garden in a severe winter region such as zones 4 or colder, remove all winter protection such […]

Winter Daphnes Can Be A Rewarding Challenge

Native to China and Japan, winter or fragrant daphnes (Daphne odora) open to light pink or white flowers in winter and early spring in the southeastern U.S. and Pacific Northwest (USDA hardiness zones 7-9). Their welcome floral fragrance will pervade through your garden for nearly two weeks starting in late winter. Winter daphnes grow 3 to 4 […]