Archive for the ‘Summer flowering’ Category

Blazing Star– Electric Summer Flowering Perennial

Blazing star (Liatris spp.) is a popular summer flowering perennial. Also called gayfeather, it belongs in the aster family. This tall, upright, clump-forming perennial is found in moist meadows and at the edge of a marsh. (USDA hardiness zones 3-9). Liatris makes an excellent addition to a rain garden. Its distinctively reddish-purple flower spikes win […]

Gladiolas Are Wonderful Cutflowers

Across most regions of the U.S., planting gladiola corms (they’re not really “bulbs”) begins a week before the probable frost-free date has passed in the spring. Stagger individual plantings every 2-3 weeks through mid- July. Many people opt to grow them as cutflowers for their homes. Purchase large or premium sized corms that measure 1 […]

‘Going Bananas’ Daylily Blooms Continuously

‘Going Bananas’ is an extended-blooming daylily. This diploid cultivar flowers a three month long continuous blooming cycle (rather than stopping and starting again) from early summer into fall. Each bloom stays open longer, at least 16 hours per day. Each trumpet-shaped flower opens wider, a new genetic trait in daylilies. Going Bananas features slightly fragrant, […]

‘Stella D’Oro’- First And Last Daylily To Bloom

For over a quarter of a century, wherever daylilies (Hemerocallus spp.) grow, you will find the very popular gold-flowered ‘Stella d’Oro’ daylily (USDA hardiness zones 2-9). It’s one of a few daylilies that blooms 3 out of 4 seasons. Its small size makes it an ideal choice as a ground cover. This short clump growing […]

‘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 […]