Stonecrops (Hylotelephium spectabile) are tall clumping sedums. They are frequent seen in their habitat growing on rocks or stony ledges. Also written as Sedum spectabile, many varieties grow 1.5 to 2 feet high. Approximately 33 species of these drought-tolerant herbaceous perennials are found to Asia, Europe and North America (USDA hardiness zones 3-9). Stonecrop make excellent […]
Archive for the ‘Heat Tolerance’ Category
Three High Performance Coneflower Series
Coneflowers (Echinacea purpurea) are very popular perennials (USDA hardiness zones 4-9). Their colorful flowers will attract a multitude of beneficial pollinators to your garden. Some cultivar series come in a myriad of colors. For the best and biggest flowers, coneflowers perform at their best in full sun and in well-drained soils. After planting echinaceas grow […]
Grow Crocosmias In Your Summer Garden
Crocosmias are bulbous summer blooming flowering perennials that are closely related to gladiolas, also called montbretia and sword lilies. They’re actually corms, not bulbs, and are indigenous to South Africa (USDA hardiness zones 5b to 9). Crocosmias enjoy lots of sun, soil moisture, and hot temps to produce flowers. Plants prefer nutrient-rich, slightly acidic, moist, […]
Black Mondo Grass
Black mondo grass or black lilyturf (Ophiopogon planiscapus) is sold as a number of cultivars – ‘Arabicus’, ‘Black Dragon’, ‘Nigrescens’, or ‘Ebony Knight’. This stoloniferous grass-like perennial belongs to the lily family (Liliaceae) (USDA hardiness zones 6-9). Its blackish-purple foliage (3/16 inch wide leaf blades) forms lush arching clumps. For the patient gardener, know that […]
Enjoy Two Kinds Of Stachys In Your Summer Garden
Many gardeners are acquainted with the wooly leaf perennial called lambs ears (Stachys byzantina). But the genus Stachys is also home to betony (S. officinalis) / (S. monieri). Alpine betony (Stachys monieri) is native to Europe and Asia (USDA hardiness zones 4-8). ‘Hummelo’ betony is very different in appearance from its gray velvety leaf relative […]
Planting Small Trees Under Power Lines
Look Up before you plant. From city streets to country roadside are a myriad of power (utility) lines, e.g. electric, telephone, and cable TV wires. Utility companies have a “right of away” clearance to operate their lines. In most municipalities, mature trees growing into their lines can be cut down or all offending branches removed. Large trees often end […]
Three New Summer Annuals You’ll Get Excited Over
Here are three new annuals which should delight: Striking Senecio ‘Angel Wings’ has silky, silvery white foliage. Angel Wings senecio is beautiful to add to mixed containers or use it solitary on patio or deck planters. Warning: you can’t resist touching the long, broad velvety leaves. Angel Wings grows 10-12 inches high and about as wide. Plant Angel Wings […]
Hybrid Wax Begonia Revolution
Wax begonias (Begonia x semperflorens) are popular summer annuals in public and private gardens. Begonias are excellent for mass bedding, in mixed borders, and in large containers. Plants hold up to summer heat, humidity, and moderate dry spells. The foliage stays mostly pest and disease free. A few years back, two series of interspecific hybrids (Begonia […]
Spike Winterhazels
I Winterhazels (Corylopsis spp.), native to China and Japan, is a wonderful genus comprised of winter flowering shrubs of varying heights and widths (USDA hardiness zones 5 to 8). Few U.S. gardeners know of them. Their bright yellow flowers are a lot bigger and showier than the witchhazels (Hamamelis spp.) which are close botanical relatives. […]