Archive for the ‘winter hardiness’ Category

Umbrella Pine—A Conifer Collector’s Dream Plant

  Japanese Umbrella Pine (Sciadopitys verticillata) is an evergreen (USDA hardiness zones 5b -9). It is not actually a pine.  Historically, umbrella pines date back to the dinosaur age. This mid-sized landscape tree displays several fine attributes: shiny leaves are arranged in whorls like the spokes of an umbrella; peeling, reddish brown bark and a […]

Ten Native Shrubs Possessing Great Fall Leaf Color

Some native U.S.  landscape shrubs are not only great spring/summer flowering shrubs, but their fall foliage color(s) are an added attraction. Here are ten of my favorites listed alphabetically by genus: Bottlebrush Buckeye (Aesculus parvifolia) – foliage of this summer flowering shrub turns bright yellow in fall. (zones 4-8) Red Chokeberry (Aronia arbutifolia) – under-planted native shrub that […]

Toadlilies In The Autumn Garden

Toadlilies (Tricyrtis spp.) are late season flowering perennials in the shade garden. Most perennials have finished blooming as their flower buds are forming. They’re native to moist woodsy environs of India, China and Japan and are Botanical members of the lily (Lilaceae) family (USDA hardiness zones 4-9). When properly sited, toadlilies are long-lived and require […]

Osage Orange As A Landscape Tree

Osage orange (Maclura pomifera) has been declawed and neutered (USDA Zones 5-9). A member of the mulberry family (Moraceae), this tough prairie tree species is native to east Texas, Oklahoma and Arkansas. It grows fast @ 2 ½ to 3 feet per year. It is also called Bois D’Arc (pronounced “bow-dark”). Osage orange is a […]

Fall Lawn Care Tips

  The fall season is  “spring-time” for home lawn care. This is a great opportunity to apply grass seed, fertilize, and eliminate weeds in cool season lawns. In Tennessee (USDA hardiness zones 6-7), cool season grasses (fescue, bluegrass and perennial rye) are fertilized in mid-September with a high nitrogen-based fertilizer, available at most garden centers. […]

Success In Growing Franklinia Tree

Franklinia (Franklinia altamaha) is a uniquely different large shrub or small tree. Great plant for the “I can grow anything crowd”. Rated hardy in USDA hardiness zones 5-8, I’ve never seen a landscape quality specimen in zone 5 and find that the tree performs best in zones 6 to 7. Success with growing franklinia hinges on […]

Working With Poorly Drained Soils

As a rule, yews (Taxus spp.), Japanese hollies (Ilex crenata), azaleas (Rhododendron spp.), blueberries (Vaccinium spp.), and roses (Rosa spp.) are common examples of landscape plants that fail in poorly drained soils. Holly cultivars like ‘Hoogendorn’  and ‘Soft Touch’  fair better in clay soils that most other Japanese hollies in the Southern Appalachian region (USDA hardiness […]

Not New –Still Top Landscape Performers

A senior gardener knows that many new plant cultivars (varieties) are often no better than what had come before. Many “superstar” shrubs, some released a decade or more ago, are still topnotch performers in many parts of the U.S. Here are six which I continue to recommend highly. ‘Low &Behold® Blue Chip Jr.’ Butterfly Bush is a super compact 18-30 […]

‘Henry Eilers’ Coneflower (Rudbeckia)

Called “sweet coneflower” (Rudbeckia subtomentosum), this U.S. Midwest prairie species is a long-lived perennial that grows in a variety of soils (USDA hardiness zones 4-8).  Sweet coneflower prefers full or partial sun (6 hours minimum) and a moist well-drained loamy soils. It is highly drought tolerant after its first year in the garden. Established plants emerge in mid-spring as a […]

Growing Morning Glories

Morning glory vines (Ipomoea tricolor) add a dash of old fashion charm to today’s gardens. YES! these aggressive vines demand a high degree of attention. Their funnel or tubular-shaped flowers open in the morning and close late in the afternoon. In a single growing season, vines may grow 6 to 12 feet and more (depending on variety). Morning […]