When a sick plant has been diagnosed with a viral or bacterial disease, your only option is to remove the diseased branch by pruning or destroy the entire plant. You should start out by practicing prevention. Prevention is adopting good cultural and sanitation practices. Consider the following measures: Start with disease-free […]
Archive for the ‘Downy mildew’ Category
Preventing Disease Outbreaks In The Garden
Posted by Hugh on November 21st, 2015
Posted in Bacterial diseases, Botrytis disease, Daylilies, Disease prone, Downy mildew, Garden Maintenance, Hosta, Overcrowding, Powdery mildew, Propagation (Cuttings), Propagation (dividing), Pruning, Purchasing Plants, rose virus, Sanitation, Virus diseases 
Comments Off on Preventing Disease Outbreaks In The GardenPest Alert – Gardeners Should Avoid Planting Garden Impatiens
Posted by Hugh on May 23rd, 2013
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 […]
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 ImpatiensLungworts- Perfect Shade Companion With Hostas
Posted by Hugh on February 18th, 2013
The lungworts (Pulmonaria spp.) are very popular in shade gardens with hostas, astilbes, Solomon seals, and ferns (USDA hardiness zones 4-8). Their green or silver-colored foliage may be dusted with green, silver or white spots. Lungworts are divided into two distinct foliage forms: narrow long-leaf (P. longifolia) and silvery or speckled oval leaves (P. saccharata). […]
Posted in acidic soil, Attracting birds, Bee Favorite, Butterflies, Downy mildew, Flowers, Ground cover, Hummingbird, mulching, Perennials, plant nutrition, Planting tips, Pulmonaria, Slugs, Soil drainage, Southern Appalachian Region, Spring flowering, Summer heat tolerant, watering tips, winter hardiness Comments Off on Lungworts- Perfect Shade Companion With HostasPest Alert_ Downy Mildew on Annual Impatiens
Posted by Hugh on April 19th, 2012
In 2011 across Europe, seventy percent (70%) of the garden impatiens (Impatiens walleriana) were hit with downy mildew. Disease outbreaks were also reported in a few U.S. coastal cities last year. U.S. growers have been preparing for the possible outbreak in summer 2012. The potential for this disease can be catastrophic as the […]
