Downy mildew in impatiens (Plasmopara obducens) infects garden impatiens, double impatiens and balsam. However, New Guinea impatiens, SunPatiens™, and most annual summer flowering plants are not susceptible. Impatiens are the favorite flowering annual used in shady garden areas. Double impatiens and balsam are favorites in hanging pots and other types of containers. U.S. greenhouse growers […]
Archive for the ‘Garden Problems’ Category
Pest Alert – Gardeners Should Avoid Planting Garden Impatiens
Posted by Hugh on May 23rd, 2013
Posted in Disease prone, Disease resistant, Disease resistant, Downy mildew, Flowers, Garden Problems, Impatiens, New Guinea impatiens, Southern Appalachian Region, Summer flowering, Sunpatiens, Torenia (wishbone flw.) 
Comments Off on Pest Alert – Gardeners Should Avoid Planting Garden ImpatiensPest Alert- Protect Young Trees and Shrubs From Cicadas
Posted by Hugh on May 20th, 2013
No insect creates more newspaper headlines than the periodical cicada (Magicicada spp.). Their sudden emergence, every 13 or 17 years reads like a chapter from a science fiction novel. Their high-pitched noise or “mating call” fills the late spring air. Both the 13-year and 17-year cicadas are uniquely common in the eastern U.S., found no […]
Posted in Apple tree, Cicada, Garden Problems, Insect (Pest) Problems, Pear (Pyrus spp.), Pests, Plum, Southern Appalachian Region, Trees & Shrubs Comments Off on Pest Alert- Protect Young Trees and Shrubs From Cicadas‘Bikini-tini’ Colocasia Creates Movement in The Garden
Posted by Hugh on May 15th, 2013
Colocasia (Colocasia esculenta), aka taro, ape plant, and elephant ear, among other names, is marginally hardy in the Southern Appalachian region (USDA hardiness zones 6 and 7). The 2011 colocasia introduction ‘Bikini-tini’ has garnered high praise from neighbors and friends visiting my garden in the summer. Bikini-tini is a strong stemmed thick-leaved plant that grows 4 to 5 feet in height. […]
Posted in acidic soil, Colocasia, Fertilizing plants, Foliage plant, Heat Tolerance, mulching, Perennials, plant nutrition, Soil drainage, Southern Appalachian Region, Summer heat tolerant, watering tips, Winter Protection Comments Off on ‘Bikini-tini’ Colocasia Creates Movement in The Garden‘Thailand Giant’ Elephant Ears A Tropical Wonder
Posted by Hugh on May 7th, 2013
In many areas of the U.S.’Thailand Giant’ elephant ears (Colocasia gigantea) is classified as an annual (USDA hardiness zone 8-10). It grows best in full to partial sunlight (6-hours minimum) and planted in a compost-rich well-drained garden soil or good container potting media. A young plant should be moved outdoors and brought back indoors when […]
Posted in Colocasia, Disease resistant, Fertilizing plants, Southern Appalachian Region, Summer flowering, Tropical Plants (non-hardy), watering tips, winter injury, Winter Protection Comments Off on ‘Thailand Giant’ Elephant Ears A Tropical WonderSnow Fountains® Weeping Cherry Fits Small Gardens
Posted by Hugh on April 30th, 2013
Snow Fountains® (Prunus x ‘Snofozam’) is a slow-growing, weeping ornamental cherry that grows compact. It develops into a 8 to 15 feet tall and 5 to 12 feet wide tree. This cultivar is also listed as ‘White Fountains’ in some nursery catalogs. The cascading branches flow downward or may take on a green mound form. […]
Posted in acidic soil, Attracting birds, Bee Favorite, Butterflies, compact tree, Disease prone, Hummingbird, Insect (Pest) Problems, Ornamental cherry (Prunus), Planting tips, Southern Appalachian Region, Spring flowering, Trees & Shrubs, watering tips, Weeping habit, winter hardiness Comments Off on Snow Fountains® Weeping Cherry Fits Small Gardens‘Shaina’ Japanese Maple
Posted by Hugh on April 23rd, 2013
The foliage of ‘Shaina’ Japanese maple (Acer palmatum ‘Shaina’) starts out hot red in early spring. The deeply cut leaves are bunched together for a tufted or layered look. From mid-spring thru summer, the foliage, now maroon red, holds its color. Shaina grows naturally as a shrub, 8 feet high and 4 to 5 feet […]
Posted in acidic soil, compact tree, container shrub, Japanese maple, Maples (Acer), Planting tips, Pruning, Soil drainage, Southern Appalachian Region, Spring flowering, Trees & Shrubs, watering tips Comments Off on ‘Shaina’ Japanese MapleWhy Peonies Do Not Bloom
Posted by Hugh on April 20th, 2013
Herbaceous peonies (Paeonia x lactiflora) are among the easy to care for and long-lived garden perennials. If you plant them correctly in compost rich, well-drained soil and a minimum of 6 hours of sunlight, they will bloom for the next 30+ years. If peonies fail to bloom, here are 8 probable causes: 1. Planting crowns […]
Posted in acidic soil, Failure to Bloom, Fertilizing plants, Heat Tolerance, Peonies, Peony, Perennials, plant nutrition, Planting tips, Purchasing Plants, Soil drainage, Southern Appalachian Region, Spring flowering, winter injury Comments Off on Why Peonies Do Not BloomA Marigold Revival
Posted by Hugh on April 14th, 2013
Over the past 2-3 years marigolds are regaining their popularity. Marigolds are easy to grow and come in vibrant shades of yellows and oranges. Tall African type marigolds grow 24-42 inches tall and belong in garden beds. Intermediate (15-24 inch height) and dwarf French types (10-12 inch height) are suited for both bedding and container plantings. Plant marigolds in […]
Posted in acidic soil, Autumn flowering, Bee Favorite, Disease prone, Flowers, Heat Tolerance, Insect (Pest) Problems, Marigold, Mites, mulching, plant nutrition, Soil drainage, Southern Appalachian Region, Spring flowering, Summer flowering, watering tips Comments Off on A Marigold RevivalCool Blooming Osteospermums
Posted by Hugh on April 11th, 2013
Osteospermums (Osteospermum x hybrida ) are members of the daisy (Asteraceae) family, commonly called African Daisy, Blue-eyed Daisy, or Cape Daisy. Osteos are cool season annuals that excel in northern and less so in southern U.S. gardens. Osteos bloom more profusely in full sun, but want some cooling relief during the summers. Osteos have always […]
Posted in acidic soil, Autumn flowering, Disease resistant, Drought tolerant, Failure to Bloom, Fertilizing plants, Flowers, Osteospermum, Planting tips, Pruning, Southern Appalachian Region, Spring flowering, Summer flowering, winter hardiness Comments Off on Cool Blooming OsteospermumsShredded Umbrella Plant Handles Dry Shade
Posted by Hugh on March 27th, 2013
Shredded umbrella plant (Syneilesis aconitifolia) is a non-aggressive woodland ground cover which is native to dry hillsides in China, Japan, and Korea (USDA hardiness zones 4 thru 8). It has a medium green lacy foliage which you will treasure in the shade garden. While its flowers may be tiny and inconspicuous, the circular umbrella foliage […]
Posted in acidic soil, compost, Disease resistant, Ground cover, mulching, Perennials, Shredded umbrella (Syneilesis), Soil drainage, Southern Appalachian Region, watering tips, winter hardiness Comments Off on Shredded Umbrella Plant Handles Dry Shade
