Archive for the ‘Soil drainage’ Category

‘Sun King’ Aralia Glows In the Summer Heat

Plants with golden foliage can brighten up almost any drab garden patch. Sun King golden aralia (Aralia cordata ‘Sun King’) is no exception, hardy in USDA hardiness zones 3-9. It is also known as Japanese spikenard and mountain asparagus. Under ideal conditions this thornless, rhizomatous, herbaceous perennial grows rapidly to 3-5 feet tall and as […]

Bletilla – Hardy Garden Orchid

Chinese ground orchid (Bletilla striata), aka “Hardy Garden Orchid”, is a terrestrial orchid which produces small, cattleya-like, downward-facing purple flowers. It is indigenous to moist grassy slopes of central China and southern Japan. Ground orchids produce attractive foliage and showy flowers, that bloom from mid-spring and early summer. The flowering racemes stand approximately 12-18 inches high […]

Red Hot Pokers /Exceptional Summer Performers

Red-hot Pokers (Kniphofia spp.) are easy to grow long-lived perennials from South Africa. (USDA hardiness zones 5b-9). They go by a number of common names including torch lilies and tritoma. Colorful floral spikes (with a little imagination) resemble sizzling pokers or fiery torches, visited often by hummingbirds, bees and butterflies. Modern day cultivars are mostly […]

Perennial Salvias Getting Better

Perennial salvias (Salvia × sylvestris) represent a number of hybrid crosses between S. nemorosa and S. pratensis but may include S. × alpestris, S. × asperula, S. × collina, and S. × superba. Most cultivars are branched, upright, clump-forming, perennials with opposite, oblong to lanceolate, medium green leaves and showy spikes of tiny, tubular, two-lipped flowers (each to 1/2” long). Flower color choices range from blue to lavender to purple, depending […]

Indian Pinks

Indian Pinks (Spigelia marilandica) is a strikingly beautiful native wildflower throughout central and southeastern U.S. It is sometimes called “woodland pinkroot”. This perennial grows well in many parts of the U.S. (Zones (5b-9). Plants emerge in mid-spring. Sometime in June, depending on locality, their bright red tubular flowers flare open, crowned by five sharply pointed […]

Mini-Oakleaf Hydrangeas

Oakleaf hydrangea (Hydrangea quercifolia) is a U.S. native and it offers four seasons of landscape beauty. (USDA hardiness zones 5-9). Typically, oakleafs grow 10-12 feet tall deciduous shrubs that are broad-rounded, suckering, and multi-stemmed. In the wild, if left unpruned, shrubs reach over 20 feet in height and spread. I have selected five compact growers […]

MT. Cuba Evaluates BlueStars (Amsonia)

MT. Cuba Center is located near Hockessin Delaware, near Wilmington (USDA hardiness zone 7a.). It has recently published a new trial report on bluestars (Amsonia spp.) for the mid-Atlantic region. BlueStars are a genus of popular, long-lived herbaceous perennials. Most are native to the U.S. and Mexico in addition to one Asian species (A. elliptica) […]

Successful Gaura Growing Tips

Gaura (Oenothera lindheimeri) is a low-maintenance perennial native to the southern U.S. (Zones 5-9) and is a durable plant for gardeners. Its waving wands are dotted with dozens of whitish to pinkish flowers don’t stop blooming until summer temps climb above the 90°F range. Gaura is often called “whirling butterflies” because the flowers appear to […]

Rethink Before Planting These Five Groundcovers

Initially, these 5 groundcovers were alluringly beautiful. But, over time, each grow very aggressively and become a major chore to restrained in the garden. Several states have declared one or more species as invasive and ban them for sale and interstate transportation.  The most effective way to eliminate these aggressive groundcovers is to cut plants […]

Sweetbay Magnolia Cultivars

Sweetbay magnolia (Magnolia virginiana) is a U.S. native tree that is finally catching on with landscape designers. Sweetbay often grows 20-30 feet tall and 15-20 feet wide as a large shrub or multi-stemmed small tree. Discovering a 50-60 feet sweetbay near by a lake or pond is not unusual to find (USDA hardiness zones 5-9). […]