Japanese cedar, aka cryptomeria, (Cryptomeria japonica) is the national tree of Japan and is also indigenous to China (USDA hardiness zones 5 to 8). Cryptomeria cultivars vary greatly from very dwarf to rounded shrubs to large tree forms. Needle-like foliage may be dark green, medium green, golden or contorted leaves. Cryptomerias tolerate hot humid summers and […]
Archive for the ‘Trees & Shrubs’ Category
Twelve Days Of Christmas Showcase At Dallas Arboretum
The Dallas Arboretum in Texas is hosting a festive holiday exposition: The Twelve Days at Christmas. It is an elaborate collection of 25-foot Victorian gazebos themed to “The Twelve Days at Christmas”. Each of 12 gazebos is comprised of charming costumed characters and whimsical animals made famous […]
Is Your Tree A Hazard?
Is a dangerous tree lurking in your yard, ready to tumble down on your house or car? A well shaped landscape tree with a full canopy (top) and undergoes a safety checkup every 3-5 years is rarely at risk. When the weather forecaster is predicting a hurricane or an ice storm, it’s generally too late to call a local […]
Determining A Plant’s Cold Hardiness
On-line nursery catalogs and plant labels at garden centers list the hardiness of the trees, shrubs, vines, and perennials that they sell. Many years ago the U.S. Department of Agriculture (USDA) developed the hardiness rating scale based on geographic location from northern Canada to southern Mexico. Most U.S. gardeners live within Zones 3 to 11. Don’t know […]
Nellie R. Stevens Holly
Hollies and the winter season work well together. Female hollies with bright red fruits (yellow-fruited forms also) contrast with their glossy evergreen foliage. ‘Nellie R. Stevens’ holly (NRS), a female form, is a cross between English (Ilex aquifolium) and Chinese (I. cornuta) hollies. NRS is the popular holly choice in Southern landscapes (USDA hardiness zones 6 to 9). Hollies are dioecious, […]
Emerald™ Arborvitae
Emerald™ or ‘Emerald Green’ arborvitae (Thuja occidentalis ‘Smaragd’) is not new shrub or cultivar. More than 3 generations of gardeners have used this unique form of eastern arborvitae as their “go to” evergreen shrub up and down the eastern coast and through the Midwest (USDA hardiness zones 3-7). Emerald is a semi-dwarf evergreen shrub with a […]
List of Zone 6 Hardy Camellias Grows Longer
If you live and garden in USDA hardiness zone 6, several camellia cultivars are winter hardy. The past decade has seen an increase in the list of hardy cultivars. These same cultivars are also reliable planted in zone 7. Here is a sampling of the best Zone […]

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