Mountain mints (Pycnanthemum spp.) are clump-forming native perennials. They typically grow 1-3 feet tall depending on species (USDA hardiness zones 4 – 8). About 20 species of mountain mints are found in the southeastern U.S. As their name suggests, they belong to the mint family, very evident by their square stems and aromatic leaves when […]
Archive for the ‘Perennials’ Category
Growing Coneflowers
No question, coneflowers have changed greatly over the past quarter century. Varieties are now available in many color shades and plants demonstrate improved longevity. Current cultivars grow alot shorter. However, some hybrid forms have been disappointing, barely surviving 1-2 years. When choosing coneflowers, Purple Coneflower (Echinacea purpurea) is my #1 favorite for dependability (USDA hardiness […]
Growing Angel Trumpet (Brugmansia)
Angel trumpet (Brugmansia) is tropical plant native from Venezuela to Peru (USDA hardiness zones 7-b to 10). Plants are surprising hardy outdoors in zone 6-b in protected areas. This beautiful perennial/shrub, grown in tree form, reaches heights of 6-10 feet. It is a member of the Solanaceae family which includes tomato, potato, petunia, nicotiana and other great garden plants. They’re […]
Wet And Wonderful
Two outstanding summer flowering perennials are Rodgersia (two forms) and Ligularia. Both are grown for their broad foliage and showy flowers. They share one special need: consistent soil moisture through the spring and summer months. Don’t attempt to grow either one of these awesome plants unless their water needs will be satisfied. These plants prefer wet, boggy feet (roots). Rodgersias […]
Loads Of Hybrid Baptisias Available
Wild indigo or Baptisia (Baptisia spp.) are a wonderful group of U.S. native perennials (USDA hardiness zones 4-9). A few species have remained outside the gardening scene until recent years. Breeders are creating several hybrids that offer a grand color palette and superior plant form. Baptisia, belong to the Pea family, new growth emerges in […]
Six Easy To Grow Spring Wildflowers
These six native wildflowers emerge in early spring in rich woodland soils. In gardens grow them in moist, organically rich soils in partial to full shade. Adding compost substitutes for fertilizing. All grow in moderately acidic to slightly alkaline soils (pH 6.0-7.5). Plants go dormant by early to mid-summer, earlier if soils dry out. Under ideal […]
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 […]
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 […]