Archive for the ‘Planting tips’ Category

U.S. Native Pagoda Dogwood Wonderful Woodsy Tree

Pagoda dogwood (Cornus alternifolia), aka alternate leaf dogwood, is a small deciduous tree or large multi-stemmed shrub. It typically grows 15-25 feet tall and spreads slightly wider than tall. It exhibits a very distinctive layered horizontal branching. Small creamy white non-bracted flowers appear as flattened cymes in mid to late spring, about 3-4 weeks after […]

Hardy or Not– Grow Agapanthus

Lily-of-the-Nile (Agapanthus praecox orientalis) is native to South Africa (USDA Zones 8–11), and is not reliably hardy in the Southern Appalachian region (USDA zone 6 and 7). However, many gardeners are successfully growing it as a “tender perennial”. Agapanthus grows in an outdoor flower bed or in a container. The ball shaped light blue or white […]

Golden Hakone Grass Is Worth The Extra Care

  Awaken dark zones in your shade garden with this wonderful golden treasure from Japan. Golden hakonegrass (Hakonechloa macra ‘Aureola’) grows 12-18 inches tall and 18-24 inches wide in a cascading mound form.   Very thin green stripes (veins) line the mid-rib of the ½ inch wide golden leaf blades. Tiny, relatively ininsignificant, floral spikes (inflorescences) appear for […]

Something New to Grow – Esperanza, Yellow Bells

                Esperanza or Yellow Bells (Tecoma stans) is a 6 foot tall perennial shrub that grows in South Texas and Mexico (USDA zones 8-10). Esperanza means “hope” and it is destine to become a popular flowering annual in more U.S. Southeastern gardens. It demands a well drained soil […]

Little Girl Magnolias Avoid Early Spring Frosts

The early flowering deciduous magnolias, namely star (Magnolia stellata) and tulip (M. soulangeana) magnolias, are often susceptible to late winter-early spring frosts. In the 1980’s the U.S. National Arboretum released the series of 8 shrub-type cultivars called the “Little Girl Magnolias”. They were crosses between M. liliiflora and M. stellata. Over ten years these deciduous […]

Virginia Bluebells – An Early Spring Wildflower

In early spring Virginia bluebells (Mertensia virginica) is an ephemeral woodland wildflower. In early April their lovely presence is to be enjoyed for a short 8-10 week period. Clusters of pinkish-blue nodding buds burst forth into soft pastel blue flowers. Gradually, the bell -shaped flowers age to pale pink hues. The lovely blue flowers are […]

Treat Colorful Caladiums As Tender Annuals

Caladiums at Yewdell Gardens in Crestwood, KY (near Louisville) Caladiums (Caladium bicolor) are tropical foliage plants which are grown as annuals. Caladiums brighten up shady to sunny spots. Their brightly colored foliage is either heart and lanced shaped in color combinations ranging from red, rose, pink, chartreuse, green, and white. Caladiums absolutely prefer a warm, […]

Epimediums Excel As Dry Shade Groundcovers

Epimediums, aka barrenwort or fairy wings, are slow-growing groundcovers which are hardy in USDA hardiness zones 4-9. Foliage varies by species, variety, and the season of the year. Most are deciduous, but some evergreen in the Southern Appalachian region (zones 6 and 7). The leaves of some may be chartreuse in spring, green in summer, […]

Zelkova Becoming Dominant Urban Street Tree

  Japanese zelkova (Zelkova serrata) is a 60-90 feet tall shade tree with structurally strong branches. Fast growing zelkova may grow 2 feet or more in a single year. Belonging to the elm family (Ulmaceae), zelkova exhibits several elm-like features, including a vase shaped branching habit. Its very different exfoliating mottled bark distinguishes it from elms. […]

More Winter Hardy Encore Azaleas Now Available

For spring 2013, 22 of 32 Encore™ Azalea varieties are cold hardy in the Southern Appalachian region (USDA hardiness zones 6 and 7). Thirteen (13) varieties are reliably cold hardy throughout Zone 6-a&b. They are: Autumn Amethyst, Autumn Carnation, Autumn Cheer, Autumn Jewel , Autumn Lilac, Autumn Lily, Autumn Royalty, Autumn Ruby, Autumn Sangria, Autumn […]