Vinca (Catharanthus), also called Madagasar periwinkle, is a popular summer flowering bedding plant. Soiree Kawaii® series of catharanthus hybrids from Suntory (C. roseus) continue among the favorites at California Spring Trials since their introduction three years ago. Vincas start blooming, and continuously thereafter, from spring planting to the first frost in autumn. Soiree Kawaii vincas perform […]
Archive for the ‘Heat Tolerance’ Category
Growing Crinum Lilies
Crinum Lilies, aka “River lilies”, “Cape Coast lilies”, and “Creole lilies”, are native to Southeast Asia. Crinum lilies are more akin to Amaryllis (Hippeastrum) than true lilies (Lilium). Considered to be an old staple in Southern gardens, crinum lilies are seen growing around old cemeteries, old farmsteads, and in ditches (zones 7-10). Over time long-lasting […]
Standout Ornamental Grasses Inflorescences
Ornamental grasses standout in the landscape most of the year. These six ornamental grasses showoff spectacular seed heads (inflorescences) in late summer or fall. These grasses are also beautiful and effective landscape screens. PAMPAS GRASS (Cortaderia selloana) – are seen planted at the beach, city parks or in your neighbor’s yard. The big feathery plumes […]
Deciduous Holly For The Fall/Winter Landscape
While deciduous hollies (Ilex spp.) are well known among home gardeners, surprisingly few plant them (USDA hardiness zones 3-9 variable by species). In the fall, their branches and twigs are covered in bright red berries. Orange and yellow berried varieties are additional choices. Birds love them, too. Deciduous hollies do not have prickly leaves like […]
Protect Your Home Against Artillery Fungus
If you notice tiny black specks covering your home or garage siding or coating your auto parked nearby. The problem may be artillery fungus, also called shotgun or cannonball fungus (Sphaerobolus). Tiny fungal spores, barely 2 millimeters wide, propel themselves up to 20 feet away from the ground onto vertical surfaces. The fungus generally targets […]
Six Architecturally Tall Perennials
Here are six showy architectural gems to grow in your garden. All six are “big guys” and are valued for their bold presence, disease-free foliage, and their attractive flowers, that are also great pollinators. Queen of the Prairie (Filipendula rubra) is a U.S. native perennial that mimics an astilbe on steroids. This tall, upright, clump-forming […]
Beebalm (Monarda) Varieties Attract Hummingbirds, Butterflies And Moths
In 2016 Mt. Cuba Center in Greenville DE enlisted a team of trained volunteers to monitor the visitation of hummingbirds, moths, and butterflies in the 40 cultivar beebalm (Monarda) trial. Their goal was to systematically observe and note the cultivars that were most frequently visited by these pollinators. Below is a listing of the five […]
Compass Plant – Prairie Giant
Compass Plant (Silphium laciniatum) are impressive prairie plants that look like – but are not – sunflowers. Native to the central U.S. (USDA hardiness zones 3 to 8), these sturdy prairie giants grow upwards of 5-8 feet in height (1.5 – 3 feet wide) on stiff, hairy, resinous stems. The group (Silphiums) are also called […]
Gaura (Wand Flower)
Gaura (Gaura lindheimeri), also known as wand flower, whirling butterfly, and bee blossom (Gaura lindheimeri) is one tough perennial that blooms through the summer into fall. Gaura is native to Texas and Louisana and is hardy to USDA plant zones (5)6-9. It lives many years in hot humid climates and requires very little care after […]