Over the hot spring and summer months, weedy Mimosa trees (Albizia julibrissin) stand beautiful along U.S roadsides. During the rest of the year, people pay very little attention to this arboreal Asian beauty that inhabit a vast area from Iran to China (USDA hardiness zones 6-9). YES, this tree can be invasive. Read on. From […]
Archive for the ‘Phytophthora ramorum’ Category
After The Holidays Poinsettia Care
The gift of a poinsettia means you should enjoy the beauty over the next three months or more. Your poinsettia should be warmly wrapped to protect from chilling outdoor temperatures from the garden shop to your home or apartment. If applicable, carefully unwrap the protective sleeve around your poinsettia to prevent injury to leaves and […]
Fall Planting – Hyacinths
For over 400 years hyacinths have been popular spring-flowering bulbs, beloved for their colorful blooms and delightful floral fragrance. Modern day varieties are hybrids of a single species (Hyacinthus orientalis) that grows wild in Turkey, Syria, and other regions in the eastern Mediterranean. Over 50 cultivars are listed by Dutch growers. Centuries of breeding have […]
Mountain Laurels – A Native Shrub Many Gardeners Forget To Plant
Mountain laurel (Kalmia latifolia) is a U.S. native broadleaf evergreen shrub (USDA hardiness zone 5 – 7(8)). Whether you are hiking through area woodlands or driving through Biltmore Estates in Asheville, NC, flowering mountain laurels dominate the May-June landscape in Northeast Tennessee or Western North Carolina. Mature shrub sizes range from 5 feet (dwarf cultivars) […]
New Soiree Kawaii® Vincas
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 […]
Plant Disease Warning: Phytophthora ramorum
Known as “sudden oak death”, this serious plant disease (Phytophthora ramorum) (Pr) from the West Coast kills oak and other species of trees. It has caused devastating effects on the oak populations in California, Oregon, and Washington, and is also present in Europe. Symptoms include bleeding cankers on the tree’s trunk and dieback of foliage. […]