From the extreme heat and dry climates of east and Southern Africa come the hardy ice plants (Delosperma spp.). There are two popular species, Purple ice plant (D. cooperi) and Orange-yellow iceplant (D. nubigenium), plus hybrid cultivars galore. Ice plants are dependable zone 6 winter hardy succulents. They’re excellent candidates for roof top and rock […]
Archive for the ‘winter hardiness’ Category
Growing Sunflowers Fun Family Activity
Growing sunflowers (Helianthus annuus) are the current rage. Sunflowers are native to Central America and have been cultivated for thousands of years. Sunflowers are classified as annuals, living one growing season, and often returning the following spring from seeds dropped the previous fall. Some gardeners put out large beds to feed the birds. Sunflowers come […]
Mighty Rodgersias For Your Shade Garden
In a shade garden the large palmately compound foliage of rodgersias (Rodgersia spp.) make a bold statement (USDA hardiness zones 4-9). In recent years rodgersias are becoming more available at garden centers in the U.S. Three of five species are listed below. Hybrid forms are also available. Rodgersias thrive in moist, organically rich soils. They […]
Join The Brunnera Revolution
Over the past decade heartleaf brunnera (Brunnera macrophylla), aka Siberian Bugloss and Alkanet, has become a popular spring flowering perennial in U.S. and Canadian gardens (USDA plant hardiness zones 3 – 8). Native to Russia brunnera need little care when properly sited. Sprays of tiny blue-petalled /yellow centered forget-me-not flowers explode into a blue haze […]
‘Thailand Giant’ Elephant Ear Fun Novelty
‘Thailand Giant’ elephant ear (Colocasia gigantea) is rated as an annual (USDA hardiness zone 8-10), where the growing season may last 300 days and longer. Thailand Giant develops into a massive 9- foot tall plant with attractive grey-green foliage species. In the Southern Appalachian and Middle Atlantic regions they may reach 5 – 6 feet […]
Three Beautiful Ornamental Crabapples
Crabapples (Malus spp.) get a bad rap! Many gardeners associated them with the old diseased and pest prone varieties planted a half-century ago. Modern cultivars make nice small ornamental trees. The new cultivars exhibit exceptional resistance to five serious diseases of crabapples: apple scab, fire blight, cedar-apple rust, leaf spot and powdery mildew. Three of […]
Beautiful Giant Dogwood Has Some Limitations
Giant dogwood (Cornus controversa) is a medium-sized deciduous tree that grows to 35 to 40 feet high (in the wild to 60 feet) in USDA hardiness zones 5 to 7. This Asian native (China and Japan) is cherished for its distinctive horizontal (tiered) branching habit. Giant dogwood prefers an acidic, organically rich, moisture, well-drained soil. […]
Serviceberry- Favorite Tree of Gardeners And Birdwatchers
On an early late winter’s morn, the frosty appearance from a nearby mountainside may actually be from our native serviceberries (Amelanchier spp.) (USDA hardiness zones 4-9). Serviceberry’s small white blooms frequently signals that winter’s end is near. Flowering may last 7-10 days. Downy serviceberry (A. arborea) and shrubby Allegheny serviceberry (A. laevis) are commonly planted. […]

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