In general, the garden soil pH fluctuates only slightly unless you accidentally spilled fertilizer or limestone. Soil pH is also affected by rainfall patterns, decomposing organic matter, and bacterial activity in the ground. In the eastern U.S. rain water is slightly acidic. Acid rain is the result of these pollutants (mostly sulfate and nitrate) from […]
Archive for the ‘Flowers’ Category
Care Of Rhododendrons
In the U.S., two species of rhododendrons, Catawa (Rhododendron catawbiensis) and Rosebay (R. maximum), are plentiful in the Appalachian Mountain region. Their roots feed in part on the rich humus material in the rocky mountain soils. Over time fallen leaves, twigs, and flower parts decay into additional humus. Humus improves soil aeration and drainage, yet […]
February Blooming Hybrid Witchhazels
Witchhazels (Hamamelis spp.) are somewhat coarse, loosely-branched, medium to large, deciduous shrubs that typically grow 12-20 feet tall. (USDA hardiness zones 5-8). They are particularly noted for their strapped shape, often fragrant, mid- to late winter flowers which appear before the spring leaves emerge. Five cultivars were selected by Mr. Tim Brotzman, an Ohio nurseryman […]
Ten Stars Of The Winter Landscape
Here are 10 reliable plants that shine in my Tennessee garden (Zone 6-b) during the winter season: Witchhazels (Hamamelis spp.) –two species bloom in winter: (a). Vernal witchhazel (H. vernalis) blooms in mid- to late- January (zones 4-8). (b). Chinese witchhazel hybrids (H. x intermedia) dominate the month of February into March. – deciduous, large […]
Zone 6 Hardy Camellias
In the Southern U.S., camellias are treasured for their showy flowers in the fall-winter landscape. Their glossy evergreen foliage looks great all year long. Hardy varieties are now available for zone 6 northern gardens (-10 to 0 °F). This means that gardeners in Tennessee, Kentucky, Virginia and most coastal cities in Eastern U.S. can grow […]
‘Sun King’ Aralia Named 2020 Perennial Plant Of The Year
Plants with golden foliage can brighten up almost any drab garden patch. Sun King golden aralia (Aralia cordata ‘Sun King’) is no exception, hardy in USDA hardiness zones 3-9. It is also known as Japanese spikenard and mountain asparagus. Under ideal conditions this thornless, rhizomatous, herbaceous perennial grows rapidly to 3-5 feet tall and as […]
Arizona Cypress Standouts
Arizona cypress (Cupressus arizonica var. glabra) is a needle evergreen conifer native to the Southeast U.S. and is noted for its rapid growth rate. It is also grown as a Christmas tree and is rarely troubled by disease and insect problems. Depending on what part of the U.S. that you garden in, damage from bark […]
Poinsettia Care
Poinsettias (Euphorbia pulcherrima) have become a symbol of the Christmas and winter holiday season. Their colorful bracts (most people call them”flowers”) are actually modified leaves. The tiny “true” flowers are in the center of the bracts. Each year new poinsettia varieties hit the garden shops. In the mid-19th century, Joel R. Poinsett introduced the poinsettia […]