Hollyhocks (Alcea rosea) are old-fashioned perennials (and biennials) which are currently finding a new audience. There are numerous cultivars differing in plant height from 5 to 9 feet and spread of 1 to 3 feet. Flowers come in single and double forms and in many color shades. Hollyhocks are hardy to USDA hardiness zone 4. […]
Archive for the ‘Garden Problems’ Category
Hollyhock Rust Prevention Tips
Posted by Hugh on July 19th, 2012
Posted in Disease prone, Disease resistant, Flowers, Hollyhock (Alcea), Japanese beetles, Southern Appalachian Region, Summer flowering 
Comments Off on Hollyhock Rust Prevention Tips‘Sunburst’ Golden St. John’s Wort
Posted by Hugh on July 16th, 2012
Our native golden St. John’s wort (Hypericum frondosum) deserves more planting space in U. S. gardens (USDA hardiness zones 5-8). ‘Sunburst’ is the leading cultivar and exhibits superior traits over the species. Golden St. John’s wort forms a small, dense growing deciduous shrub, noted for its showy golden yellow flowers and attractive blue-green foliage. Sunburst grows more compact […]
Posted in acidic soil, alkaline soil, Butterflies, compact shrub, Disease resistant, Drought tolerant, Evergreens, Flowering, Heat Tolerance, Native Plant, Ornamental fruit, Pruning, Soil drainage, Southern Appalachian Region, Spring flowering, St. John's Wort (Hypericum), Summer flowering, Summer heat tolerant, Winter bark Comments Off on ‘Sunburst’ Golden St. John’s Wort‘Brigadoon’ Hypericum Wakes Up a Garden Bed
Posted by Hugh on July 13th, 2012
The bright chartreuse (almost golden) foliage Brigadoon St. John’s wort (Hypericum calycinum ‘Brigadoon’) can brighten up almost any dull garden spot. This Euro-Asian ground cover thrives in any well-drained soil under full to partial sunlight (USDA zones 4-7). Full sun may burn the summer foliage in zone 7. ‘Brigadoon’ grows 12 to 16 inches tall and spreads […]
Posted in Butterflies, Disease resistant, Drought tolerant, Ground cover, Heat Tolerance, Planting tips, Pruning, Root suckering, Southern Appalachian Region, Spring flowering, St. John's Wort (Hypericum), Summer flowering Comments Off on ‘Brigadoon’ Hypericum Wakes Up a Garden BedSelecting The Right Ivy For Your Garden
Posted by Hugh on July 5th, 2012
Have you taken the “No Ivy Pledge”? I have not. In an effort to slow defections from growing ivy, the American Ivy Society has developed a list of non-invasive cultivars. It includes several dwarf English ivy cultivars (Hedera spp.). Add a little water and fertilizer and these mini-ivies do not miss a beat. Mini- ivies […]
Posted in Aggressive grower, Evergreens, Ivy (Hedera), Planting tips, Southern Appalachian Region, Vine, watering tips Comments Off on Selecting The Right Ivy For Your GardenPest Update – More Pesticide Options Available Against Hemlock Adelgid
Posted by Hugh on June 29th, 2012
You may be able to prevent or save tree and shrub hemlock(s) from woolly adelgid. This serious pest has two generations per year. The first generation hatches in March and April from overwintering adults (as many as 300 eggs per adult) in white cottony masses on the small twigs. The crawlers (nymphs) hatch and feed in […]
Posted in Hemlock (Tsuga), Hemlock woolly adelgid, Insect (Pest) Problems, Native Plant, Southern Appalachian Region Comments Off on Pest Update – More Pesticide Options Available Against Hemlock AdelgidPowdery Mildew: The Bane of Beebalm
Posted by Hugh on June 9th, 2012
Beebalm (Monarda spp.) is one of our great native perennials and herbs. Native Americans used beebalm as a tea, brewing it for colds, minor bronchial and digestive complaints, and also as a poultice to soothe insect stings. During the Boston Tea Party, rebellious colonists utilized beebalm as a tea substitute, calling it “Oswego tea”. […]
Posted in Bee Favorite, Butterflies, deadheading, Disease prone, Disease resistant, Fertilizing plants, Flowers, Heat Tolerance, Herbs, Hummingbird, Monarda (Beebalm), Native Plant, Planting tips, Southern Appalachian Region, Spring flowering, Summer flowering, Summer heat tolerant, watering tips Comments Off on Powdery Mildew: The Bane of BeebalmJapanese 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 ToolProtect Autos and Home Siding From Artillery Fungus
Posted by Hugh on May 20th, 2012
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 […]
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 FungusFirethorns Make Good Utility Shrubs
Posted by Hugh on May 6th, 2012
Firethorn (Pyracantha spp.) is an old- fashion shrub that is making a comeback. Its white flowers makes a lovely presence in spring, followed by dark green leaves in summer, and bright orange or red fruits (berry clusters) in fall and winter. Firethorn tolerates close clipping and is often utilized as a short 6-8 foot tall privacy screen. White clusters […]
Posted in Aggressive grower, Evergreen, Firethorn (Pyracantha), Ornamental fruit, Planting tips, Pruning, Southern Appalachian Region, Spring flowering, Staking, Trees & Shrubs, Uncategorized, Winter Garden Interest Comments Off on Firethorns Make Good Utility ShrubsPinxterbloom Azalea
Posted by Hugh on May 1st, 2012
Pinxterbloom (Rhododendron periclymenoides), formerly R. nudiflorum, is a hardy deciduous azalea native to a large geographic area of the eastern United States. Pinxterbloom naturally grows nearby streams in a light woodland setting, but appears to tolerate dry rocky sites equally well after 2 years established. Shrub heights vary from 4-8 feet. Pinxterbloom spreads by underground stolons and shrubs may become […]
Posted in acidic soil, Azalea (deciduous), compost, Heat Tolerance, Hummingbird, Native Plant, Pinxterbloom azalea, Soil drainage, Southern Appalachian Region, Spring flowering, Summer heat tolerant Comments Off on Pinxterbloom Azalea
