Archive for the ‘Disease resistant’ 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), […]

Growing Castor Bean Plant

Over the years castor bean (Ricinus communis) plants have been a common sight in public gardens. These tall ornamental annuals are cherished for both their colorful flowers and seed capsules, and bold foliage. The species, a botanical member of the spurge family (Euphorbiaceae), is indigenous to the southeastern Mediterranean region, Eastern Africa, and India. Unlike many spurges, the […]

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 […]

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 […]

Short Grasses For Small Places

Many gardeners have small sunny or partially shaded places where select ornamental grasses thrive, including using them as companion plants in containers. Enjoy their winter architecture. Perennial grasses should be cut back to 3- to 6 inches  in late winter. Here are an assortment of six of the very best along with several varieties that you should […]

Two Native Cardinal Flowers Add Up To A Stunning Combination

Great lobelia or blue cardinal flower (Lobelia siphilitica) is a native perennial USDA hardiness zones 4-8). They bloom about a month later than cardinal flower (Lobelia cardinalis). They’re part of the late summer perennial bloom season that includes turtlehead (Chelone obliqua), asters (Symphtrictum), ‘Henry Eilers’ black eyed Susan (Rudbeckia subtomentosa). and dahlias (Dahlia spp.).  Add […]

Alexandrian Laurel For Deep Shade

Alexandrian Laurel or Poet’s Laurel (Danae racemosa) is a wonderful evergreen shrub that is rarely planted in U.S. gardens. Danae is indigenous to Iran and Syria. This evergreen shrub needs partial to full shade and the warm climes of southeast or Pacific northwest states (USDA hardiness zones 6 – 9). If winters are exceptionally cold […]

Berggarten Salvia Favors Both Gardeners And Culinary Afficiendos

Common sage (Salvia officinalis), a member of the mint family (Lamiaceae), is the culinary sage familiar to most cooks (USDA hardiness zones 5 to 8). The species grow 1.5 – 3 feet high and wide. Multitudes of showy two-lipped, 1-inch long, violet-blue flowers arise on short, upright spikes in late spring. Flowers attracts numerous bees […]