Archive for the ‘Perennials’ Category

The Mountain Mints – The Pollinators’ Favorite

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 […]

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 […]

Six Perennials For Dry Shade

Many of the following perennials tolerate dry shade but flourish in moist, well-drained soil. Each typically displays the richest foliage colors with a couple of hours of direct sunlight a day. All hold up well to dry conditions and are deer and rabbit resistant. Barrenworts (aka Bishop’s cap, Fairy Wings) (Epimedium spp.) represent over 70 […]

Changing Garden Soil pH

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 […]

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 […]