Archive for the ‘Disease resistant’ Category

Swamp Milkweed Is Monarch Butterfly’s Favorite

Swamp milkweed (Asclepias incarnata) is an erect, clump-forming, U.S. native plant indigenous to swamps, bottomlands and wet meadows (USDA hardiness zones 3 to 6). Obviously, it prefers moist soils but grows equally well in average, well-drained garden soils. Full sun is best, but copes with some light shade. As its common name indicates, it makes […]

Tall Sedum – The New Mailbox Plant

Tall sedums (Sedum x spectabile) are a popular late summer blooming perennial often nicknamed “showy stonecrops” (USDA hardiness zones 3-9). Members of the succulent plant family, tall sedums have thick round leaves and are recognized for their drought resistance. Star shaped flowers are clustered in colors ranging from whites, pinks, and reds, depending on the […]

Versatile Long-blooming Catmints

Catmint (Nepeta spp.) is a favorite of cats who like to roll around in it, sometimes to the detriment of the plant(s) (USDA hardiness zones 3-8). There are several species of catmint. Most popular are the gray-green leafed N. x faassenii and hairy gray heart-shaped leafed N. racemosa. Depending on the cultivar selected, this versatile […]

Japanese Pagoda Tree Becoming Popular In U.S. Cities

U.S. east coast cities are finally planting Japanese Pagodatree (Styphnolobium japonicum). This medium-sized tree grows to 50 feet high, but 75 feet is not uncommon in the southeastern U.S. Pagodatree is native to eastern Asia (USDA hardiness zones 4 –8) where it is more known as Scholar tree. In the early 20th century it was […]

‘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 […]

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 […]

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 […]

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 […]

‘Summer Gold’ Kousa Dogwood

Get ready to alter your mindset with ‘Summer Gold’ Chinese (kousa) dogwood (Cornus kousa) (USDA hardiness zones 5-8). Its diminutive size, 8 to 10 feet high and 4 to 5 feet wide, makes it a great fit for a small city garden. Branching is distinctly upright, which partially accounts for its narrow space needs. ‘Summer […]