Artillery fungus (Sphaerobolus stellatus) deposits small tar-like specks on the siding of your house or on your car finish in early spring or fall. Artillery fungus is a wood-rotting organism living in the mulch around your home foundation. The fungus shoots its sticky, black spore masses as far as 20 feet out away. The tar spots adhere […]
Archive for the ‘Disease prone’ Category
Protect Autos and Home Siding From Artillery Fungus
Posted by Hugh on May 20th, 2012
Posted in compost, Disease prone, Garden Maintenance, Garden Problems, Mulch Quality, mulching, poor quality mulch, Southern Appalachian Region 
Comments Off on Protect Autos and Home Siding From Artillery FungusPest Alert- Boxwood Blight
Posted by Hugh on April 27th, 2012
Boxwood blight is a disease caused by a fungus (Cylindrocladium pseudonaviculatum) which is a serious threat to most boxwood (Buxus) and related species such as sweetbox (Sarcococca spp.). To date there is no evidence of resistance to boxwood blight in any Buxus species. Plant pathologists in England first identified the disease in the mid-1990’s. It […]
Posted in Boxwood (Buxus), Disease prone, Disease resistant, Planting tips, Pruning, Sweetbox (Sarcococca) Comments Off on Pest Alert- Boxwood BlightBotrytis Disease in Marigolds Can Be Avoided
Posted by Hugh on April 10th, 2012
Botrytis Disease in Marigolds Marigolds (Tagetes spp.) have been long time favorite summer annuals in Southern Appalachian gardens (USDA zones 6 and 7). Marigolds come in three sizes: 18-36 inch tall “African” marigolds, 12-18 inch medians and 8 -12 inch “French” border types and in two color choices- orange and yellow. Begin planting in April or May after […]
Posted in Disease prone, Drought tolerant, Flowers, Garden Problems, Heat Tolerance, Marigold, Southern Appalachian Region, Spring flowering, Summer flowering, Summer heat tolerant, watering tips Comments Off on Botrytis Disease in Marigolds Can Be AvoidedComplete Care of Tall Bearded Iris
Posted by Hugh on April 4th, 2012
Most gardeners plant tall bearded iris from late August through October to insure good root development before winter sets in. Spring planting is another option as iris may be purchased in containers. Bare root rhizomes need to soak overnight in water before planting. Bearded irises prefer a sunny location and a slightly acidic well-drained soil. […]
Posted in acidic soil, compost, deadheading, Disease prone, Garden Maintenance, Iris (Tall bearded), Mite susceptible, mulching, Southern Appalachian Region, Spring flowering, Summer heat tolerant, Transplant problem, watering iris, winter hardiness Comments Off on Complete Care of Tall Bearded IrisProtect Fruit Trees and Bee Population
Posted by Hugh on March 19th, 2012
Cedar rust infection spot Warm weather in early spring means scab, cedar apple rust and powdery mildew diseases are upon the new leaves as they start to emerge. Preventative spraying for leaf diseases will result in management of additional fungi diseases through the growing season. Fungicides are protectants and not cure-alls. A light rain shower (as […]
Posted in apple orchard, Apple tree, apple varieties, Disease prone, Disease resistant, Fruits & Vegetables, Insect (Pest) Problems, Pear (Pyrus spp.), Southern Appalachian Region, Spring flowering, Uncategorized Comments Off on Protect Fruit Trees and Bee PopulationDon’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 SuckerThe Right Rhododendron for the Right Location
Posted by Hugh on March 2nd, 2012
Rhododendrons (Rhododendron catawbiense) were born in the cool of the North Carolina and Tennessee mountains. Hundreds of lovely hybrids have been bred by dedicated plantsmen. Winter hardiness is rarely an issue, but rhododendrons are challenged by summer heat and disease problems in the Southern Appalachian region (USDA hardiness zones 6 and 7). Your most important decision is […]
Posted in acidic soil, acidify soil, compost, Disease prone, Disease resistant, Fertilizing plants, Flowers, plant nutrition, Rhododendrons, root injury, Southern Appalachian Region, Spring flowering, Summer heat tolerant, Trees & Shrubs, watering tips, winter hardiness, winter injury Comments Off on The Right Rhododendron for the Right LocationLeyland Cypress Too Big For Many Sites
Posted by Hugh on January 30th, 2012
Leyland cypress (x Cupressocyparis leylandii) grows into a 50 foot tall evergreen behemoth. What happens when the plants (in photo) get too close to the small deck(s)? Access to the deck from the stairs will become impossible as the evergreens swallow up the entire back yard. Looking out from the deck and windows from the home won’t be likely […]
Posted in Aggressive grower, Arborvitae (Thuja spp.), Disease prone, Evergreen, Green Privacy Screen, Insect (Pest) Problems, Landscape ideas, Planting tips, Southern Appalachian Region Comments Off on Leyland Cypress Too Big For Many SitesWhat Can Be Done About Phytophthora
Posted by Hugh on January 10th, 2012
Phytophthora disease (Phytophthora spp.) is the fatal cause of root rots, stem cankers and crown rots. Several hundred species of plants are susceptible, including redbuds, dogwoods, rhododendrons, camellias, white pines, firs, yews (Taxus spp.), and fruit trees. It thrives in warm moist saturated soils. Phytophthora may lie dormant in the soil for several years, waiting for a […]
Posted in Azalea (deciduous), Azaleas (evergreen), Camellia, Disease prone, Disease resistant, Dogwood (Cornus), Evergreen, Fertilizing plants, mulching, mulching trees, Pines (Pinus spp.), plant nutrition, Planting tips, Redbud, Rhododendrons, root injury, Southern Appalachian Region, Trees & Shrubs, Uncategorized, watering tips Comments Off on What Can Be Done About PhytophthoraVolcano Mulching Harmful
Posted by Hugh on January 1st, 2012
Piling up mulch around trees or shrubs, called “volcano mulching”, is a bad practice and is killing them. Perhaps you’ve seen a neighbor or a professional landscaper doing it, and assumed that it must be alright. It’s not! The deep mulch pile smothers the natural buttress flair of the trunk which breathes and absorbs air for […]
Posted in Disease prone, Disease resistant, Garden Maintenance, Insect (Pest) Problems, Millipedes & centipedes, Mulch Quality, mulching, mulching trees, Southern Appalachian Region, Uncategorized, watering tips, winter injury, Winter Protection Comments Off on Volcano Mulching Harmful
