Archive for the ‘Azalea (deciduous)’ Category

Three Easy Care Native Woody Plants

                                                                                                                                                                                                                                               Red buckeye (Aesculus pavia) is a nearly perfect small native tree for either a full or part sun site. Decorative 5 to 9 inches long reddish flower candles form on tips of branches in late April and May (USDA hardiness zones 6 – 8). Hummingbirds will seek out the […]

Swamp Azalea Deserves More Garden Space

              Swamp Azalea (Rhododendron viscosum, formerly R. serrulatum) is very different among deciduous azaleas. Most rhododendrons (azaleas) do not care for soppy, poorly drained soils. This U.S. native is an exception, indigenous to swamps, bogs, stream edges and wet lowlands from southern Maine to northeastern Ohio south to Florida and […]

Flame Azalea Favorite Among Native Azaleas

Flame azalea (R. calendulaceum) is a spectacular sight when it flowers in early May through June (depending on location). The mountainsides across the Appalachian region seem to be afire with their yellow, orange or red flowers (USDA hardiness zones 5 thru 8). Its native habitat is in open, dry sites in woods, on the hillsides, and […]

Shrubs You Should Not Prune In Fall Season

Why would anyone prune spring flowering shrubs in the autumn season? After a long cold winter, why miss out on the delightful fragrance of lilac and viburnum flowers the following spring? Predicting how cold, warm, or dry the coming winter season is rarely possible. Pruning cuts are wounds and weather extremes may cause injury to […]

Plumleaf Azalea – Late July Flowering Shrub

Plumleaf azalea (Rhododendron prunifolium) is a native deciduous azaleas that indigenous to the Chattahoochee River Valley on the Georgia-Alabama line (USDA hardiness zones 6-9). The bright orange-red blooms surprise in late July to early August. Compared to many of the spring blooming species, flowers are not fragrant. Fall leaf color is uneventful. This 5-8 feet […]

Roseshell Azalea Thrives In Cool Mountain Woodlands

Roseshell azalea (Rhododendron prinophyllum, formerly R. roseum) is native from New England, a number of Midwestern states, south to Texas. In its natural habitat it is commonly grows on wooded, north-facing slopes, shaded ravines, or nearby a cool mountain stream. The plants are not stoloniferous. Roseshell azalea grows best in organically rich, acidic, well-drained, and […]

Pinxterbloom Azalea

Pinxterbloom (Rhododendron periclymenoides), formerly R. nudiflorum, is a hardy deciduous azalea native to a large geographic area of the eastern United States. Pinxterbloom naturally grows nearby streams in a light woodland setting, but appears to tolerate dry rocky sites equally well after 2 years established. Shrub heights vary from 4-8 feet. Pinxterbloom spreads by underground stolons and shrubs may become […]

Piedmont Azalea

Piedmont Azalea (R. canescens) at Callaway Gardens Early flowering Piedmont azalea (Rhododendron canescens) is one of the most common native deciduous azaleas in the southeastern U.S. It is frequently confused for pinxterbloom azalea (R. periclymenoides) which blooms 3-4 weeks later. Piedmont azalea is hardy in USDA hardiness zones 6 to 9.   Piedmont azalea reaches a mature height between […]

What Can Be Done About Phytophthora

Phytophthora disease (Phytophthora spp.) is the fatal cause of root rots, stem cankers and crown rots. Several hundred species of plants are susceptible, including redbuds, dogwoods, rhododendrons, camellias, white pines, firs, yews (Taxus spp.), and fruit trees. It thrives in warm moist saturated soils. Phytophthora may lie dormant in the soil for several years, waiting for a […]

Fall Color in U.S. Native Azaleas

Finally, Americans are paying closer attention to our wonderful native plants. In the Southern Appalachian region, there are 16  and more species of deciduous azaleas which may be grown here. In addition, there are numerous natural hybrids growing in the mountains. I asked Jay Jackson, owner of Appalchian Native Plants, Inc. in Laurel Bloomery, TN […]