Swamp hibiscus (Hibiscus coccineus), aka scarlet rose mallow, is a hardy perennial plant that grows in swamps, marches and roadside ditches in the Southeastern U.S. (USDA hardiness zones 5-9). It can grow 6 to 8 feet tall and 2 to 3 feet wide. Its 5- to 6-inch-long leaves are palmately lobed into 3, 5, or 7 parts. […]
Archive for the ‘Native Plant’ Category
About Penstemons
Some 40 years ago, Dr. Dale Lindgren, plant breeder at the University of Nebraska released ‘Husker Red’ penstemon (Penstemon digitalis). This pioneering variety has purple-green foliage and white flowers. New penstemon varieties continue through the breeding pipeline with larger and colorful blooms, more compact habit, or dark foliage. (Z 3-8). Penstemons (Beardstongue) belong to the […]
Summerific Hibiscus Are Awesome
Among my favorite summer flowering perennials are the hardy herbaceous hibiscus (Hibiscus moscheutos). During the early days of August, Walters Gardens, a premier perennial plant breeder, requests garden writers to celebrate and promote their awesome product line of Summerific hardy hibiscus. Last week, the first week of August, was dubbed Summerific Week. It’s never too […]
Summer Blooming Trees
Other than crape myrtles, few trees bloom in July and August. Here are four exceptions: Chaste tree, Sourwood, Golden Raintree, and Franklinia. Chaste Tree (Vitex agnus-castus) is a 10-15 feet tall, vase-shaped, deciduous shrub or a small 15-20 feet tree. The species is native from southern Europe and Asia. It is often mistaken as a purple-flowering […]
Vintage Large-Growing Oakleaf Hydrangeas
Oakleaf hydrangea (Hydrangea quercifolia) is an upright, broad-rounded, suckering, multi-stemmed, deciduous shrub that typically grows 4-6 feet (less frequently to 8 feet) tall. It is a wonderful flowering shrub with multi-season interest. It is native to the Southeastern U.S. and tolerates hot, humid weather. Oakleaf hydrangeas aren’t quite as cold-hardy as other hydrangea species (USDA […]
2023 Carex Evaluation From Mt Cuba
The native plant research team at Mt Cuba Center in Hockessin, DE has recently published the results of a 3-year Carex (sedge) study in which they evaluated 70 species and cultivars. The study included a number of under-planted Carex species and varieties. One grouping was grown in full sun and a second planting was tested […]
Goatsbeard
Goatsbeard (Aruncus dioicus) or “goat’s beard” is a North American perennial that produces feathery plumes of cream-colored flowers in late spring or summer. Goatsbeard is also indigenous to western Europe. This clump-forming woodland plant is hardy in zones 3-7a (?) and appears to flounder under the intense summer heat in Georgia and the Carolinas. The […]
Native Catalpa Trees
Catalpa Tree Northern catalpa or cigartree (Catalpa speciosa) overpowers most private landscapes by their enormous presence (USDA hardiness zones 4-8). This 40-60 feet large native tree commonly grows along roadsides, particularly on bottomlands from Illinois and Missouri south thru Arkansas and Tennessee. Catalpa is not a tree seen planted in most residential neighborhoods because of […]
American Beautyberry
American beautyberry (Callicarpa americana) is a deciduous shrub native to open meadows, fence rows, or woodlands in the southeastern U.S. and northern Mexico (Zones 6-11). This vigorous shrub grows to 4-8 feet high and wide and belongs in the Lamiaceae (mint) family. American beautyberry, also called French mulberry, has an open growth habit and arching […]
Western Sunflower
Western sunflower (Helianthus occidentalis) is actually native to eastern and central North America, not western North America (USDA hardiness zones 4-8). It is one of the shortest of the many sunflowers found in the U.S. You have seen this Midwest native growing in glades, prairies, dry meadows, fields and rocky open woodlands. It grows equally […]