A senior gardener knows that many new plant cultivars (varieties) are often no better than what had come before. Many “superstar” shrubs, some released a decade or more ago, are still topnotch performers in many parts of the U.S. Here are six which I continue to recommend highly. ‘Low &Behold® Blue Chip Jr.’ Butterfly Bush is a super compact 18-30 […]
Archive for the ‘Pruning’ Category
Ligularias For Moist Sites
Ligularias (ligs) are big leafy perennials whose roots must be kept constantly moist so that plants don’t wilt or “faint”. An established plant may tolerate several days in dry soil, yet the droopy foliage will recover from the water loss each night. Several species are tropical (under the genus Farfugium). Bigleaf ligs (L. dentata) and narrow-spiked ligularias (L. stenocephala), […]
Favorites Among The Rose Of Sharon (Althea) Shrubs
Rose of Sharon, aka shrub althea, (Hibiscus syriacus) is a woody hibiscus shrub that is hardy in temperate northern areas of the U.S. (USDA hardiness zones 5-9). This summer flowering shrub is exceptionally easy to grow. At one time, it was a great pass-along shrub that fell out of favor. However, old fashioned varieties frequently reseeded […]
Korean Sweetheart Tree
The late Dr. J. C. Raulston, N.C. State University horticulture professor emeritus, discovered Korean sweetheart tree (Euscaphis japonica) in 1985 on the Korean Peninsula while participating in a U.S. National Arboretum collection expedition (USDA hardiness zones 6-8). Dr. Raulston brought seeds back to the N.C. State Arboretum for assessment and evaluation. The species common name “sweetheart […]
Native Plumleaf Azalea Blooms In Late July
Plumleaf azalea (Rhododendron prunifolium) is a native deciduous azalea that grows in the Chattahoochee River Valley on the Georgia-Alabama line (USDA hardiness zones 6-9). It is one of the signature plants of Callaway Gardens in Pine Mountain, Georgia. Their bright orange-red flowers surprise in late July into early Augusta and blooms may last for 2 weeks or […]
New Angelface Angelonias Produce Larger Flowers
Angelonias, aka summer snapdragons, (Angelonia angustifolia) hail from Mexico. Angelonias are top performing summer flowering annuals (USDA zones 9 -11). The AngelFace® series were recently developed by Proven Winners (PW). Plants are covered with snapdragon-like blooms up and down the floral stems, 18-24 inches high and 12-18 inches wide. Angelface series boast slightly larger green leaves and bigger blooms than […]
Colorful ‘Sugar Tip’ Althea ( Rose Of Sharon)
Rose of Sharon or shrub althea (Hibiscus syriacus) is a vigorous, upright, multi-branched, deciduous shrub that generally grows 8-12 feet tall and 4-6 feet wide. Althea is native from eastern to central Asia (USDA hardiness zones 5-8). Sugar Tip® is a patented variety that features variegated creamy-white and blue-green foliage and soft pink double flowers. Leaf […]
Fill Summer Flower Beds With Annual Rudbeckias
Black-eyed Susan (Rudbeckia hirta) is a native wildflower. Annual or biennial forms are also called gloriosa daisy and brown-eyed Susan. In recent years public urban gardens are growing annual types. From summer into early autumn, brown-eyed Susans produce showy daisy-like blossoms up to 3-inches across with light or deep yellow rays and brownish-purple centers (“buttons”). Their cut flowers will decorate households. This coarse weedy […]
Smaller Alternatives To Limelight® Panicle Hydrangea
Beautiful panicle hydrangeas (Hydrangea paniculata) are among the best hydrangea choices for the summer garden (USDA hardiness zones 3 to 8). Flowers of some cultivars age gracefully with floral heads turning lightly pink. They are perfect for use in containers or in groupings or masses, shrub borders, hedges, and screens. Panicle hydrangeas are suitable as fresh […]
Pest Alert – Giant Hogweed
Giant hogweed plant (Heracleum mantegazzianum) is a large, invasive plant that can cause severe burns, blisters and rashes and vision loss in humans. As its name suggests, giant hogweed plant is enormous growing invasive species that originated from the Caucasus region of Eurasia. It produces large, towering purple stalks of white flower clusters. Don’t pick these […]

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