Powdery mildews are serious fungal leaf diseases infecting many garden plants. Each one is host specific. The powdery mildew that attacks summer phlox does not infect zinnias or pumpkin vines. Powdery mildew disease on crape myrtles does not attack lilacs or roses. In recent years new powdery mildew diseases have popped up on dogwoods and […]
Archive for the ‘Roses’ Category
Preventing Powdery Mildew Disease On Summer Plants
Posted by Hugh on May 18th, 2014
Posted in Crabapple, Crape myrtle (Lagerstroemia), Disease prone, Disease resistant, Dogwood (Cornus), Garden Problems, Irrigation, Lilac (Syringa), Monarda (Beebalm), Peony, Perennials, Phlox, Powdery Mildew, Southern Appalachian Region, Summer flowering, Trees & Shrubs, watering tips, Zinnia 
Comments Off on Preventing Powdery Mildew Disease On Summer PlantsPest Alert: Inspect All Garden Roses For Rose Rosette
Posted by Hugh on August 9th, 2013
Rose rosette is a serious virus disease of roses (Rosa spp.). Over the past 3 years ago gardeners have experienced losses of popular shrub roses. The disease continues to gain ground across the U.S. Rose nurseries are working feverishly to find a solution. Landscapers and gardeners should inspect all garden roses, including hybrid tea, grandiflora, […]
Posted in Disease prone, Planting tips, Pruning, rose rosette disease, Roses, Southern Appalachian Region, Trees & Shrubs, Virus diseases Comments Off on Pest Alert: Inspect All Garden Roses For Rose RosetteJapanese Beetle Traps – Useful Monitoring Tool
Posted by Hugh on June 4th, 2012
A decade ago garden centers sold thousands of Japanese beetle traps until somebody questioned why anyone would want to lure this summer pest into their garden. Yes, the traps do work and may catch hundreds per week. You also attract hundreds more to feed on your plants’ flowers and leaves and, later in the year, the larvae will feed in […]
Posted in Crabapple, Insect (Pest) Problems, Japanese beetles, Lawn Care, Roses, Southern Appalachian Region, Uncategorized Comments Off on Japanese Beetle Traps – Useful Monitoring ToolDon’t Let’em Sucker
Posted by Hugh on March 18th, 2012
Some grafted and budded shrubs and trees develop a bad habit to sending up shoots (suckering) from its rootsystem. This creates an untidy appearance around the base of shrubs and trees. Far worse, the root suckers may compete for domination over the cultivar graft. They may rob photosynthate, water and nutrients from the grafted plant. Eventually, the grafted portion may die. Gardeners select grafted plants for a number […]
Posted in Apple tree, Disease prone, Dwarf rootstocks, Insect (Pest) Problems, Pear (Pyrus spp.), Root suckering, rose virus, Roses, Uncategorized, Virus diseases Comments Off on Don’t Let’em SuckerSoil Testing Is Fool-Proof Garden Insurance
Posted by Hugh on January 18th, 2012
Soil testing is a gardener’s best low cost insurance for enjoying a gorgeous garden or lawn. A soil analysis may be a problem solver, informing you of the soil nutrient content and pH. It accurately calculates how much chemical fertilizer, limestone, manure and other components to add. You save money is your soil is already rich enough or […]
Posted in acidic soil, alkaline soil, Azaleas (evergreen), Blueberries, Fertilizing plants, lenten rose, organic gardening, plant nutrition, Rhododendrons, Southern Appalachian Region, Uncategorized Comments Off on Soil Testing Is Fool-Proof Garden InsuranceBiltmore Estate and Gardens
Posted by Hugh on June 30th, 2011
I have visited the Biltmore Estate on several occasions, but my May visit this year was special. I had the opportunity to interview Parker Andes, Biltmore’s Director of Horticulture, and Bill Alexander, Landscape and Forest Historian. Few properties match the overall grandeur of Biltmore Estate and Gardens in Asheville, North Carolina. Biltmore is a historical perspective of America over […]
Posted in Azalea (deciduous), Azaleas (evergreen), Evergreens, Gardens to Visit, Mountain laurel (Kalmia), Peonies, Perennials, Rhododendrons, Roses, Southern Appalachian Region, Trees & Shrubs Comments Off on Biltmore Estate and GardensWhen To Prune Spring Flowering Shrubs
Posted by Hugh on March 25th, 2011
Seven reasons why you prune: eliminate dead, diseased, insect riddled branches control plant height and spread shaping such as topiary, espaliered or pollardized trees increase or decrease the numbers of flowers and fruits rejuvenate an old shrub or tree remove low branches over walkways remove water sprouts and root suckers Flowering shrubs bloom from late February thru […]
Posted in Disease resistant, Failure to Bloom, Garden Maintenance, Pruning, shrub roses, Southern Appalachian Region, Trees & Shrubs Comments Off on When To Prune Spring Flowering ShrubsThe Other Lenten Roses
Posted by Hugh on February 7th, 2011
In addition to the popular Oriental hellebore (H. x orientalis), four other species are hardy in the Southern Appalachian region (USDA hardiness zones 6 and 7). Christmas rose (H. niger) is the first lenten rose to bloom, often 4-6 weeks earlier if mild December weather permits. The 3 ½- inch flowers are large and showy, […]
Posted in alkaline soil, compost, Flowers, Lenten rose (Hellebore), mulching, Perennials, Shade Gardening, Southern Appalachian Region, watering tips, Winter Garden Interest, winter hardiness, Winter Protection Comments Off on The Other Lenten RosesLenten Roses Perk Up the February Garden
Posted by Hugh on February 2nd, 2011
Lenten roses or hellebores (Helleborus spp.) are long-lived perennials, often surviving in the same garden spot for many years. Four species of Lenten roses grow in the Southern Appalachian region (USDA hardiness zones 6 and 7). All thrive in shady garden recesses, exposed to as little as 3 – 4 hours of dappled sunlight. Numerous […]
Posted in alkaline soil, compost, Lenten rose (Hellebore), mulching, Perennials, Pruning, Shade Gardening, Southern Appalachian Region, watering tips, Winter Garden Interest Comments Off on Lenten Roses Perk Up the February GardenDisease-free Shrub Rose Trial–The Winners Are…
Posted by Hugh on January 30th, 2011
Blushing Knockout™ Over the past 10 years, the world of roses has witnessed a revolution with the popularity of the Knockout™ series of roses in gardens across the U.S. Over the past 5 years the University of Tennessee has been testing shrub roses in Poplarville, MS and two Tennessee locations. Dr. Mark Windham and his research team have […]
Posted in Disease resistant, shrub roses, Southern Appalachian Region Comments Off on Disease-free Shrub Rose Trial–The Winners Are…
