Archive for the ‘Regional’ Category

Trifoliate Orange –The Barbed Wire of the Plant World

Trifoliate orange (Poncirus trifoliata) is a hardy citrus native to China. T-orange is hardy to -15° F. This strong growing large shrub or small tree can reach 15 to 20 feet in height. Its foliage is deciduous and compound, compared to citrus trees with single simple evergreen leaves. T-orange prefers full day or partial (minimum of 6 hours) […]

Key Points About Growing Peaches

 People think peaches grow only in Georgia. A decade long period of mild winters in the Southern Appalachian  region (USDA zones 6 and 7) have increased gardener confidence in growing peaches. Peaches (Prunus persica) tend to flower in early spring, when the threat of spring frost is high across the region. In many years spring frost […]

Disease Free Apple Varieties

Over the past 30 years, the goal has been to develop good eating and storing apples which are not susceptible to four major diseases. The first 3 cultivars released were ‘Prima’, ‘Priscilla’, and ‘Sir Prize’, but they lacked great flavor and storage quality. Apples are susceptible to four serious diseases: apple scab, cedar-apple rust, fireblight, and powdery mildew.  Scab, rust and mildew […]

Everbearer Raspberries Harvest from July To Frost

Raspberry Production at Biltmore Estate, Asheville, NC   Everbearer raspberries are easier to grow compared to the June-bearer types. Everbearer types are often called “fall bearers” because they produce berries from very late July to late September. Pruning becomes a simple chore – in late winter simply cut down all canes (shoots) to the ground. […]

European vs Asian Pears

  Growing pears in the Southeastern U.S. is both challenging and rewarding. Both the European (Pyrus communis) and Asian (P. pyrifera) pears are susceptible to fireblight (Erwinia amylovora), a bacterial disease with no satisfactory cure. Two popular European pear varieties, ‘Bartlett’ and ‘Bosc’, are highly susceptible to fireblight. Varieties found to be fire blight resistant are: ‘Warren’, […]

Dwarfing Rootstocks for Apple Trees

  No more climbing ladders to pick apples. Less waiting for first harvest for newly planted tree.  These are some of the reasons for planting dwarf apple trees. Over the past 100 years numerous dwarf rootstocks have been introduced.  In addition to the degree of dwarfing, some rootstocks are more disease and insect resistant.  The original East […]

Growing Elderberries in the Garden

Elderberry (Sambucus canadensis) is native to eastern North America, commonly found growing in open fields, thickets, fence rows, and along roadsides. Elderberry has pinnate leaves with toothed leaflets. Large flat clusters of small white flowers are evident by early summer, followed by large clusters of round purple-black fruit in late summer and fall. The fruits are […]

Growing Table Grapes in the Eastern U.S.

  Gardeners in Southern Appalachian region (USDA zones 6 and 7) can now grow seedless table grapes. “The quality of the new table grape varieties is terrific, rivaling those we currently buy at our local supermarkets from California”, according to Dr. David Lockwood, Universities of Tennessee and Georgia Extension Fruit Specialist. Eastern table grapes are hybrids of […]

Thujopsis: Semi-Dwarf Evergreen Shrub

Hiba or false arborvitae (Thujopsis dolobrata) is a slow to moderate growing evergreen shrub or tree. It is also called elkhorn cedar and deerhorn cedar, referring to the shape of its scale-like leaves. Tall 50-80 feet tall tree forms arefound in the forests of Japan. This native of Japan and China has a pyramidal form and beautiful dense foliage, similar […]

Autumn Colors Conclude with Callery Pears

  Callery pear (Pyrus calleryana) has been declining in planting popularity. But its scarlet red leaf color is both sensational and reliable every autumn in the Southern Appalachian region (USDA zones 6 and 7).  Most people identify the tree by its cultivar name, e.g. ‘Bradford’, Aristocrat®, ‘Cleveland Select’, ‘Redspire’ pear. There are many other cultivars. Callery pears are tough reliable medium sized trees which […]