Archive for the ‘Pests’ Category

Gladiolas Are Wonderful Cutflowers

Across most regions of the U.S., planting gladiola corms (they’re not really “bulbs”) begins a week before the probable frost-free date has passed in the spring. Stagger individual plantings every 2-3 weeks through mid- July. Many people opt to grow them as cutflowers for their homes. Purchase large or premium sized corms that measure 1 […]

Japanese Tree Lilac Is Excellent Late Flowering Form

Japanese tree lilac (Syringa reticulata) is a late flowering lilac, often 2-3 weeks later than the popular common and hybrid shrub lilacs (USDA hardiness zone 3-7). Tree lilac is tall growing, often 20-25 feet tall with a 15-25 foot spread. It forms a nice small multi-trunked street tree. Tree lilac is the last of the […]

‘Summer Gold’ Kousa Dogwood

Get ready to alter your mindset with ‘Summer Gold’ Chinese (kousa) dogwood (Cornus kousa) (USDA hardiness zones 5-8). Its diminutive size, 8 to 10 feet high and 4 to 5 feet wide, makes it a great fit for a small city garden. Branching is distinctly upright, which partially accounts for its narrow space needs. ‘Summer […]

Pest Alert: Kudzu Bug- Plant Pest And Home Invader

Kudzu bug was first seen in Atlanta, Georgia in 2009. Currently, this plant pest and home invader has spread rapidly through the southern U.S. (to Texas) and as far north as eastern Maryland and southern Delaware. Kudzu bug belongs to the shield bug family (Plataspidae), but does emit a strong odor. It secretes a noxious […]

Beautiful Giant Dogwood Has Some Limitations

Giant dogwood (Cornus controversa) is a medium-sized deciduous tree that grows to 35 to 40 feet high (in the wild to 60 feet) in USDA hardiness zones 5 to 7. This Asian native (China and Japan) is cherished for its distinctive horizontal (tiered) branching habit. Giant dogwood prefers an acidic, organically rich, moisture, well-drained soil. […]

Plant Native Allegheny Spurge More

  Japanese pachysandra (Pachysandra terminalis) is a popular ground cover for partly shaded landscape areas. Our native pachsandra, called Allegheny spurge (P. procumbens), is less known and utilized. The glossy dark evergreen leaves are wider than Japanese pachysandra. Clusters of white bottlebrush flowers emerge 2-4 inches high in early spring; flowers mature pale pink as […]

Sweetbox – Excellent Evergreen Shrub For Shady Areas

Few evergreen shrubs grow in the shade. Sweetbox (Sarcococca hookeriana var. humilis) is a compact dwarf evergreen shrub or ground cover which is easy to grow (USDA hardiness zone 5-b to 8). Foliage remains lustrous dark green year-round. Sweetbox grows in partial to full shade, 1 to 2 feet tall and 6 to 8 feet […]

‘Thunderhead’ Pine

Thunderhead Japanese Black Pine (Pinus thunbergii ‘Thunderhead’) is a dwarf compact form of Japanese black pine (USDA hardiness zones 5b-8). Expect this slow-growing conifer to reach 5 feet high and 4 feet wide in 10 years. Whereas Japanese black pine grows 60 to 80 feet tall, Thunderhead matures to 20 to 25 feet in height […]

Christmas Ferns Are Easy To Grow

On a woodland hike in the eastern U.S., lush colonies of evergreen Christmas fern (Polystichum acrostichoides) flourish along the moist slopes (USDA hardiness zones 3 to 8). This native perennial fern favors either a deep or light shade environment. A vigorous clump may grow 18 – 24 inches in height and width. Set new plants […]

“Death By Mower” Disease

“Mower disease” is a totally preventable human malady caused by permitting lawn grasses and weeds from growing near the crown of trees and shrubs. The problem is commonly seen on large properties such as church grounds, cemeteries and public parks. Large gang mowing machines (with many reels) cut 95-98% of the turf area. Workers follow […]