The longer you garden, many plant species keep improving, including their winter hardiness. A few years ago, growing gardenias (Gardenia jasminoides) in a U.S. zone 6 garden was a dream. Today, hardy gardenias are a safe bet in zone 7 or in zone 6 in a protected area of […]
Archive for the ‘mulching’ Category
Persian Shield Offers Radiant Foliage Color
The iridescent purple foliage of Persian shield (Strobilanthes dyerianus) radiates in a warm summer garden in the U.S. Here it is treated as an annual (USDA hardiness zones 9-11). Persian shield is native to tropical Myanmar (formerly Burma), where it is a 3-4 feet tall soft-stemmed evergreen shrub or subshrub. In temperate regions it grows […]
Vanilla Strawberry™ Hydrangea
Vanilla Strawberry™ hydrangea (Hydrangea paniculata) is a new peegee hydrangea selection introduced from France and it is really catching on with U.S. gardeners (USDA hardiness zones 4-9). This exceptionally cold hardy hydrangea blooms from late June thru early September. Blooms are enormous and stand upright. Following a heavy summer shower, saturated floral trusses temporarily bow down under their sheer weight, but gradually recover. Flower color […]
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 […]
Cosmos For Sunny Gardens
Cosmos, indigenous to Mexico and South America, are one of the easiest-to-grow flowering annuals. They start blooming in early summer and are at their best in late summer and early autumn. Two most popular species are Cosmos sulphureus and C. bipinnatus. Flower heads are composed of disc and ray flowers. Cosmos is a member of the aster […]
Fill Flower Gardens & Containers With Sweet Alyssums
Sweet alyssum (Lobularia maritima) is one of the easiest annuals to grow. A member of the mustard family (Brassicaeae), it is native in the Mediterranean region and the Canary and Azores Islands (AHS heat zones 3-8). Modern day cultivars possess exceptional heat, humidity, and drought tolerance in summer months once fully established. Alyssums may be utilized in mixed […]
Cardinal Flower Attracts Hummingbirds and Butterflies
With their vibrant red colored blooms in July and August and a strong vertical growth habit, you visually can’t miss with our native cardinal flowers (Lobelia cardinalis) (USDA hardiness zones 3-9). Hummingbirds and butterflies won’t pass them by either. Cardinal flowers are also called scarlet lobelias. Their vibrant red single raceme flowers single them out […]
Good News About Garden Impatiens
Gardeners no longer have to give up growing garden impatiens (Impatiens walleriana). No, the worldwide disease outbreak of downy mildew on garden impatiens is not over. But new disease resistant cultivars of impatiens are arriving at garden centers this spring. Two of the newest are: SunPatiens® Spreading Shell Pink and Bounce® Pink Flame (‘Balboufink’). […]
Wonderful Bellworts For Woodland Gardens
The soft yellow bell-shaped flowers of bellworts (Uvularia spp.), aka merrybells, contribute to spring’s awakening in U.S. woodlands and shade gardens (USDA hardiness zones 3-9). On both U. grandiflora and U. perfoliata, flower stems pierce (pass through) the center of the leaves. A third species, (U. sessilifolia), nicknamed Wild Oats, […]