Archive for the ‘Summer flowering’ Category

‘Hyperion’ Daylily Still Popular 90 Years Later

‘Hyperion’, a mid-season June-July bloomer, was designated the 2011 Award of Merit winner by the British Horticultural Society. That’s not bad for a daylily (Hemerocallus spp.) variety that was introduced in 1924. It’s still very popular among gardeners and garden designers. You see it everywhere, planted in shopping mall parking lots or along NC highways. […]

How To Grow Milkweeds

Milkweeds, aka butterfly weed (Asclepias spp.), are the favorite food of the Monarch butterfly. Farmers and most gardeners rate them as a noxious weeds. They’re commonly spotted growing along roadsides or in unplowed ground (USDA hardiness zones 3-9). Milkweeds average 3 feet in height, but may vary from 2-6 feet depending on species. Most species […]

Allium ‘Millennium’ Outstanding Summer Blooming Ground Cover

Allium ‘Millennium’ is a rhizomatous type allium (onion) introduced by plant breeder Mark McDonough over a decade ago (USDA hardiness zones 5-8). In nursery catalogs it is sometimes listed Allium nutans‘Millennium’. Fleshy strap-like 12-inch long glossy green foliage emits a slight oniony smell when crushed. ‘Millennium’ is a rhizomatous (clump growing) long-lived perennial. Individual plants […]

Japanese Tree Lilac Is Excellent Late Flowering Form

Japanese tree lilac (Syringa reticulata) is a late flowering lilac, often 2-3 weeks later than the popular common and hybrid shrub lilacs (USDA hardiness zone 3-7). Tree lilac is tall growing, often 20-25 feet tall with a 15-25 foot spread. It forms a nice small multi-trunked street tree. Tree lilac is the last of the […]

Preventing Powdery Mildew Disease On Summer Plants

Powdery mildews are serious fungal leaf diseases infecting many garden plants. Each one is host specific. The powdery mildew that attacks summer phlox does not infect zinnias or pumpkin vines. Powdery mildew disease on crape myrtles does not attack lilacs or roses. In recent years new powdery mildew diseases have popped up on dogwoods and […]

Rooguchi Clematis: Let It Ramble

Combine two popular garden trends: climbing vines and vertical gardening. Vines may grow on a trellis or allow them to weave through an existing shrub or tree. In a small garden this can be a space saver. In the world of clematis, the cultivar Rooguchi, aka Roguchi, (Clematis integrifolia x C. reticulata) has become increasingly […]

Enjoy Moonvine In The Evening Garden

Moonvine (Ipomoea alba)is a fast growing tropical vine. Its dark green heart shaped leaves stay clean and pest-free the entire growing season. Pure white 6-inch wide flowers open non-stop from early summer until frost. Each showy white flower lasts one day, opening in late afternoon and withering late the following morning. Plants may be purchased […]

Blackberry Lily Is Easy Summer Perennial

Blackberry Lily (Belamcanda chinensis) is a summer flowering perennial native to China and Japan (USDA hardiness zones 5 -10). Don’t be fooled by its name. It is not a “lily” as it belongs to the Iris family. The iris sword-like leafy stalks stand 2 to 3 feet high. Blackberry lily blooms in early to mid-summer […]

Ice Plant – A Cool Plant For Dry Sunny Spots

From the extreme heat and dry climates of east and Southern Africa come the hardy ice plants (Delosperma spp.). There are two popular species, Purple ice plant (D. cooperi) and Orange-yellow iceplant (D. nubigenium), plus hybrid cultivars galore. Ice plants are dependable zone 6 winter hardy succulents. They’re excellent candidates for roof top and rock […]

Don’t Shy Away From Annual Vincas (Periwinkles)

Annual vinca or periwinkle (Catharanthus roseus) is a summer flowering annual popular in Southern and Midwest gardens (USDA hardiness zones 9-11). When summer’s heat and humidity soars, vincas look their best and bloom the heaviest. Vincas sparkle in containers, in flower beds, or in front borders around building foundations. Transplants are set out in mid-spring […]