Archive for the ‘Disease resistant’ Category

Mimosa Tree- Love It or Weed It

Mimosa (Albizia julibrissin) is essentially a 4-5 month ornamental tree indigenous from Iran to China (USDA hardiness zones 6-9). From late spring through summer, mimosa struts an attractive fine textured foliage and beautiful flowering. This small tree rarely leafs out until mid-May (in zone 6) and offers little in autumnal leaf color. Two seedling forms, […]

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 […]

Lovely Tall Stewartia Deserves Your Attention

Not enough gardeners know about stewartias (Stewartia spp.). Six species are found under cultivation, 2 native to the U.S. and 4 of Asian origin. One of the rarest seen in U.S. gardens is tall stewartia (S. monadelpha) (USDA hardiness zones 5-8). Tall stewartia is a more site forgiving than Japanese stewartia (S. pseudocamellia), the most […]

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 […]

‘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. […]

Smoketree – Reliable Urban Tree Or Shrub

“Smokin” may be a corny way to describe the billowy inflorescence (floral head) of common smoketree (Cotinus coggygria). It is native from eastern European to central China. U.S. native, American smoketree (Cotinus obovatus), is far less popular as its inflorescence is much smaller and less showy. Dusky 6-8 inch diameter ball-shaped inflorescences appear in late […]

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 […]

Doghobble for Shady Landscape Areas

Mountain doghobble (Leucothoe fontanesiana) is native to woodland areas in the Southern Appalachian region (USDA zones 6 and 7). Florida coast leucothoe (L. axillaris) is another regional favorite, native from Virginia south to Florida. Over time it grow tall, usually 3-4 feet high as a rambling ground cover. Every 3 to 4 years hand pruning […]

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 […]