Stokes aster (Stokesia laevis) is an underutilized herbaceous perennial. It is indigenous to the southeastern United States (USDA hardiness zones 5-9 and AHS heat zones 4-11). Many attractive cultivars are now available (see below). Most stokes asters produce mostly blue and purple colored floral cultivars, but violet, yellow, white, and blended color forms are also […]
Archive for the ‘Spring flowering’ Category
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 […]
Japanese Hydrangea Vine Worth The Wait
Japanese hydrangea vine (Schizophragma hydrangoides) ‘Moonlight’ is a deciduous woody vine (USDA hardiness zone 5 to 8). It is closely related to climbing hydrangea vine (Hydrangea anomala ‘Petiolaris’). This ornate climbing vine is valued for its silvery, silvery-green, heart-shaped foliage and large, flat-topped, lace cap hydrangea-like clusters (8-10 […]
Modern Day Clematis Bloom Freely
The old-fashioned clematis(es) in grandma’s garden bloomed one time in spring or summer and bore huge showy flowers (USDA hardiness zones 3-7). Vines took up lots of space in the garden. Old cultivars grew 8-9 feet tall; many bore one single large flower at the end of each growing […]
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 […]
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 […]
Chinese Fringetree Gains In Popularity And Availability
Chinese fringetree (Chionanthus retusus) When in bloom in mid-spring (May), the fringetrees (Chionanthus spp.) definitely will catch your eye. Chinese fringetree (C. retusus), is one of the finest small to medium sized flowering trees, not to be confused with the U.S. native fringetree (C. virginicus) (USDA hardiness zones 5-9). Both produce spectacular white lacy flowers […]
Siebold Viburnum Makes Wonderful Small Tree
The genus Viburnum is no stranger to U.S. gardens. Many species and cultivars of viburnums are popular. Siebold viburnum (V. sieboldii) is a large spring flowering species from eastern Asia (USDA hardiness zones 5-7), but is under-planted in today’s gardens. This multi-trunk large shrub to 12 to 15 feet high or 25 […]
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’). […]

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