The world of hawthorns (Crataegus spp.) includes several outstanding landscape trees that exhibit four-season ornamental interest: 1. spring flowering, 2. disease-free summer foliage, 3. variable fall leaf color, and 4. colorful fruits for wildlife in the fall and winter months. World-wide, hawthorns are native to temperate regions of North America, Europe, Asia, and North Africa, […]
Archive for the ‘Deciduous’ Category
Perennials With Great Autumn Leaf Color
In addition to foliage changes seen in landscape trees and shrubs, a select number of perennials contribute to the autumnal leaf colors. Here is a select list of popular perennials endeared for their autumnal foliage hues. Arkansas bluestar (Amsonia hubrichtii) – stunning golden foliage beginning in late September. Bloody cranesbill (Geranium sanguineum) – geranium ground […]
Tips On Overwintering Outdoor Containers
Containers filled with shrubs and perennials, doesn’t necessarily ensure their winter survival. Without adequate cold protection plants may succumb to cold injury—turning them into dead annuals. To over-winter perennials in containers, you need to know their root and shoot temperature hardiness. Often, plant hardiness ratings is listed on the label. Roots and shoots of several […]
Goldenrods
Goldenrods (Solidago spp.) represent about 100 species of perennials that grow ubiquitously alongside U.S. roadsides, prairies, open woods, and riverbanks. (USDA hardiness zones 4-9). A few species are also native in South America and Eurasia. Goldenrods are grown for their bright yellow or golden flowers that form late in the summer. They are easy to grow, […]
Lots of Choice With European Hornbeams
European hornbeam (Carpinus betulus), aka ironwood and musclewood, is an underused tree that is an excellent urban street and park tree. (USDA hardiness zones 4-7). The tree develops a full, dense canopy and little maintenance requirements. The species typically grows 40-60 feet (less frequently to 80 feet) tall with a pyramidal to oval-rounded crown. Its dense […]
Kalimeris – Late Summer Flowering Perennial
Japanese asters (Kalimeris spp.) are synonymous with boltonias (Boltonia). It is native of China, Japan and Siberia. It superficially resembles Boltonia, but differs enough to be assigned to the genus Kalimeris in the 1990s. Kalimeris incisa ‘Blue Star’ is a superior form. This clump-forming species is noted for its long summer bloom period featuring 1 ½ inch wide, […]
Mexican Bush Sage
Mexican bush sage (Salvia leucantha), aka velvet sage, is a perennial that lights up the late summer / fall garden (USDA hardiness zone 7b-10). Indigenous to Central America and Mexico, it can be grown as an annual that grows to about 3-4 feet tall. In the U.S., bush sage is only hardy from the lower […]
12 Plants With Silver Foliage
Silver King Artemisia (Artemisia ludoviciana ‘Silver King’) is an aggressive form with bushy, upright patch of fragrant silvery foliage and loose sprays of grey flowers in midsummer. Prune back hard after flowering to rejuvenate foliage. Deer and drought resistant. (z 3-7). Silver Mound Artemisia (Artemisia schmidtiana ‘Silver Mound’) – soft feathery leaves grow into compact, […]