Archive for the ‘Regional’ Category

A Variegated Ornamental Grass Is ‘River Mist’ Sea Oats

River Mist Northern sea oats (Chasmanthium latifolium ‘River Mist’), formerly Uniola latifolia, is a recent plant introduction with striking green and white variegated foliage on slightly arching stems. River Mist grows shorter than the species, 30-36 inches tall and 24-36 inches wide. Northern sea oats is one of the more shade tolerant of the ornamental […]

Colorful Pentas Bloom In Summer’s Heat And Humidity

Pentas, aka Egyptian starflower, (Pentas lanceolata) excel in the summer flower garden. Only a few years ago, pentas were only found decorating window boxes and other containers. Today, they have becoming a popular bedding plant in geographic areas where summer temps get hot. Pentas grow best in full to part sun (6-hours minimum), and preferably, […]

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. […]

‘White Shield’ – New Thornless Osage Orange

Osage orange (Maclura pomifera) has been declawed and neutered. Also called Bois D’Arc (pronounced “bow-dark”) by native Americans, this tough native prairie tree species (USDA Zones 5-8) produces large 4-6 inch diameter yellowish green fruits (“hedge apples”) which may weigh 2 to 3 pounds. They fall from the tree in October to create a maintenance […]

‘Green Giant’ Arborvitae: A Terrific Green Privacy Screen

Western arborvitae (Thuja plicata) is a large native evergreen tree from the Western U.S. (USDA hardiness zones 5-7). As many as 30 cultivars are available among dwarf, weeping, and variegated leaf forms. One of the most popular selections is ‘Green Giant,’ a hybrid between T. plicata and T. standishii, a Japanese arborvitae. In its native […]

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 […]

Lungworts- Perfect Shade Companion With Hostas

The lungworts (Pulmonaria spp.) are very popular in shade gardens with hostas, astilbes, Solomon seals, and ferns (USDA hardiness zones 4-8). Their green or silver-colored foliage may be dusted with green, silver or white spots. Lungworts are divided into two distinct foliage forms: narrow long-leaf (P. longifolia) and silvery or speckled oval leaves (P. saccharata). […]

Growing Pear Trees Too Challenging For Southeast Gardeners?

  For many reasons growing pears in the Southeastern U.S. is very challenging. First, European (Pyrus communis) and Asian (P. pyrifera) pears are susceptible to fireblight (Erwinia amylovora). This bacterial disease is very difficult to manage. Two of the leading European pear varieties, ‘Bartlett’ and ‘Bosc’, are highly susceptible to fireblight. Varieties found to be fire […]

‘Pink Lemonade’ Blueberries Will Delight Your Taste Buds

  Pink Lemonade blueberry (Vaccinium x ‘Pink Lemonade’) is a new variety introduction from the USDA. It combines the benefits of growing a beautiful landscape plant and one that produces a tasty crop of pinkish red blueberries. Pink Lemonade is also very winter hardy (USDA hardiness zone 4).  Select a sunny location, preferably with an […]

‘Vanderwolf Pyramid’– Reliable Mid-sized Limber Pine

Limber pine (Pinus flexilis), native to the Rocky Mountain region, has proven to be a reliable landscape evergreen tree in the Midwest and is gaining new fans in mid-South gardens (USDA hardiness zone 7-a). ‘Vanderwolf Pyramid’(VP) is a beautiful dwarf pine being planted by conifer collectors. It is hardy in USDA zone 5, and displays […]