Archive for the ‘Pests’ Category

Million Bells (Calibrachoa)

              Among gardeners “million bells” or “callies” are common names for calibrachoas (Calibrachoa x), spring-summer-fall flowering annuals; they’re closely relative of petunias (Petunia spp.). Low spreading plants are blanketed with small petunia-like flowers from spring until frost. Blooms hold up well to rain showers and do not need to be deadheaded. Plants are heat-tolerant and disease […]

Fruit Gardening In Containers

Great packaging along with exciting breeding has ignited interest in growing small fruits in containers. In recent years the BrazelBerries™ fruits have become popular at garden centers. Brazelberries is the creation of the Brazelton family of Fall Creek Farm & Nursery, Inc. in Oregon, who have been propagating and growing berry plants since the 1970’s. Their […]

Better Disease Resistance With Mountain Tomato Series

  Tomatoes are attacked by several diseases and insects. Most serious diseases are early blight, spotted wilt virus (TSWV), fusarium wilt (FW), Stemphylium Gray Leaf Spot (St), Alternaria leaf spot (A), and root knot nematodes (N). Major insect problems are aphids, thrips, stink bugs, blister beetles, fruit worms, horn worms, leaf miners, fruit flies, and […]

Old-fashioned Star Magnolias Very Beautiful Start Of Spring

              Star magnolia (Magnolia stellata) is a multi-branched shrub or small tree which is native to Japan (USDA hardiness zones 4 to 8). This early flowering magnolia is noted for its compact form. A mature tree form grows 15 to 25 feet tall, 10 to 20 feet wide, and […]

Little Bluestem – Beautiful And Environmentally Correct

                Little Bluestem (Schizachyrium scoparium) grows in old fields, meadows and prairies, and along roadsides across the United States and Eastern Canada (USDA hardiness zones 3-8). It forms dense clumps 2- 3 feet tall and 12 -18 inches wide. This warm season grass prefers a well-drained soil and […]

Basic Hosta Facts

Hostas are the most popular shade perennial in the U.S. They prefer a moist, compost-rich, well-drained soil. In northerly areas (USDA hardiness zones 4-5), where summers are cooler, most hardy cultivars grow in full sun. In warmer zones those in full sun must be irrigated frequently. Blue leaf cultivars look their best only in shady areas; the white waxy coating, responsible […]

Pest Alert: Japanese Maple Scale Becoming A Serious Problem

  Japanese maple scale is a new pest in Tennessee and surrounding states. It infests many more plant species than just Japanese maple. The insect’s small size and ability to blend in naturally with tree bark makes it challenging to detect until populations are high and it has infested large landscape and neighborhoods. Japanese maple scale […]

Tree Of Heaven Grows Almost Everywhere (Unfortunately)

Tree of heaven (Ailanthus altissima) is one of the most aggressive trees on planet Earth (USDA hardiness zones 4 to 8). This large tree, indigenous to China, was introduced in North America in 1748 and brought to New York City in 1820 as a street tree and a food source for silkworm caterpillars. The tree […]

Mt. Cuba Center Evaluates Heuchera (Coralbells) Cultivars

              Over the past quarter century, gardeners have enjoyed the wonderful heuchera revolution (USDA hardiness zones 4-9). A great many hybrid cultivars have been introduced with more arriving every spring. Unfortunately, the flood of new cultivars has given us a huge number of poor selections. As I talk with […]

Many Shapes and Sizes Of Cryptomerias

  Japanese cedar, aka cryptomeria, (Cryptomeria japonica) is the national tree of Japan and is also indigenous to China (USDA hardiness zones 5 to 8).  Cryptomeria cultivars vary greatly from very dwarf to rounded shrubs to large tree forms. Needle-like foliage may be dark green, medium green, golden or contorted leaves. Cryptomerias tolerate hot humid summers and […]