City gardeners want low maintenance. These ornamental grasses are what you’re looking for. They achieve their intended growth heights in summer, and produce flowers (inflorescence). Foliage of some change color as temps start cooling in late summer. Five of six listed grass species are winter hardy and overwinter outside in large containers or tubs in most regions […]
Archive for the ‘Heat Tolerance’ Category
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, […]
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, […]
Growing Shasta Daisies
Shasta daisies (Leucanthemum x superbum) is a European native that has naturalized in most areas of North America (zones 5-9). Truly low care perennials, Shasta daisies come back every spring and bloom reliably from early summer into early fall (if deadheaded). Some varieties, ‘Becky’ for example, are multi-year top performers. Shasta daisies tend to form clumps, […]
Three Cool Sedges (Carex)
Over the past decade Japanese Sedges (Carex spp.) have become popular in U.S. gardens. Uncertain which ones to plant – here are three that are easy to grow and require little maintenance. The following three clump-forming evergreen Japanese sedges flaunt arching, green and white variegated grass-like foliage. Tiny insignificant, brown flower spikes arise on long stems […]
New Compact Anise Hybrid Shrubs
Two new hybrid anise (Illicium) shrubs have been released by the NCSU Mountain Crop Improvement Lab in Mills River, NC. These new star anise shrubs, bred by Dr. Tom Ranney, are hybrids between Illicium floridanum and I. mexicanum. These native evergreen shrubs are low-maintenance and adapt to a wide range of growing conditions (USDA hardiness zones 6b-9a […]
Planting A Tropical Look In Your Temperate Garden
This summer, whether you garden in Florida or Michigan, you can enjoy the tropical look in your garden with these 5 leafy plants, which are classified as “foliage annuals” because they are hardy in zones 10-12. Caricature Plant (Graptophyllum pictum) in its natural tropical habitat grows 6-9 feet tall, typically 4-5 feet tall in zone […]
Five Hardy Evergreen Ferns
In the southeastern U.S., ferns are important additions to shady perennial and woodland gardens. Ferns can be used as a ground cover to soften the hard edges of water features, rocks and paths, and make wonderful filler for mixed container plantings. Ferns do not flower or seed, but instead, reproduce by spores that usually form […]