Archive for the ‘Soil pH’ Category

Winter Planting –Why Not!

For those who live in northern regions where winters are cold and snowy (USDA hardiness zones 3-6), many (not all) gardeners can still plant many kinds of trees, shrubs and perennials in late fall and winter if the ground is not frozen. Deciduous plants are in their natural period of rest or dormancy. This does not include evergreen trees […]

Mussaenda: A Stunning Tropical For Summer Gardens

Mussaenda (Mussaenda spp.) is a small tropical tree or large shrub. It’s a spectacular bloomer that grows to 10-15 feet tall in tropical zones (USDA zones 10-12). It is sometimes called “tropical dogwood” or “Buddah’s lamp”. In large containers it will reach 1-3 feet tall. Mussaenda blooms from late spring to mid-fall in mild-winter areas. Bloom […]

Blonde Ambition® Blue Grama Grass

Looking for something a little different, plant Blonde Ambition® blue grama grass (Bouteloua gracilis ‘Blonde Ambition’). It was discovered and introduced by David Salman of High Country Gardens. This prairie species is native from Manitoba Canada, south through the Rocky Mountains, Great Plains, and Midwestern states, to Mexico. It is exceptionally heat and cold hardy […]

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 […]

Fall In Love With Haas’ Halo® Hydrangea

Anyone walking through your garden will stop to see Haas Halo®) hydrangea (Hydrangea arborescens Haas Halo®).  This native smooth hydrangea has intense blue-green, leathery foliage and huge pure white wide lace cap blooms (USDA hardiness zones 3-9). Flowers stand tall on stout sturdy stems. Shrub branching is upright. This new hydrangea was found by Frederick H. Ray, […]

Chinese Fringetree Is Versatile Landscape Tree

Chinese fringetree (Chionanthus retusus) is native to China, Korea and Japan (Zone: 6 to 9a). Related to native U.S. species (C. virginicus), fringetrees are noted for their profuse spring bloom of fragrant white flowers. It is most often seen in cultivation as a large, multi-stemmed, deciduous shrub growing to 15 – 20 feet tall with a […]

Virginia Sweetspire — A Standout Native Shrub

Virginia sweetspire (Itea virginica) is a native shrub that touts showy white raceme flowers in late spring and brilliant reddish purple foliage in fall (USDA hardiness zones 5-9). Flowers are very fragrant and attracts hundreds of bees and other pollinators. VA sweetspire excels in moist, humus-rich, mildly acidic soils (pH 5.2-6.5). In its native habitat, […]

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 […]

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 […]

Galax- Popular Mountain Plant For Your Woodland Garden

Galax (Galax urceolata) is an under planted perennial wildflower native to the southern Appalachian mountains and eastern U.S. (USDA hardiness zone 5). Galax foliage is frequently collected from the wild for use in the winter floral decorations. Unfortunately, over-harvesting on public lands has jeopardized wild populations. Galax grows 6 to 12 inches tall and is […]