The lure of fragrant white flowers have mid-South gardeners (zones 6 and 7) wanting to grow gardenias (Gardenia jasminoides). New cultivars, supposedly hardier than previous ones, hit garden centers every spring. Unfortunately, zones 6 and 7 winters usually prove them wrong. Recent purchases of new cultivars ‘Frostproof’ and Pinwheel® and older selection ‘Kleim’s Hardy’ have […]
Archive for the ‘Sanitation’ Category
Pest Alert: Update On Emerald Ash Borer
Across the U.S. and Canada, ash trees are dying from infestations of Emerald Ash Borer (EAB), an Asian insect pest. In many U.S. cities, ash (Fraxinus) is a major urban tree genus. Since 2002 EAB has become a serious pest that has killed more than 40 million ash trees in 18 states. This hardwood tree is important to […]
Longwood’s Chrysanthemum Festival
As fall mums are finishing up in our gardens, Longwood Gardens in Kennett Square, PA has debut their annual chrysanthemum display in the Conservatory. More than 17,000 chrysanthemums were nurtured and trained, some for more than a year by their talented horticultural staff to resemble balls, spirals, columns, pagodas, and more. It is the […]
House Plant Basic Care Tips
Tropical house plants decorate homes, restaurants, shopping malls, and work environments (USDA hardiness zones 8 through 11). Many will grow in medium to low light areas of your home, work, and where flowering plants do not perform. Here are some basic house plant tips: They languish in areas where temperatures are below 55 °F. […]
Avoiding Slug Problems On Hostas
Finding slug resistance among hosta varieties is relative. By late summer, you will find some holes in leaves in almost every variety, some a lot worst than others. There are ways to reduce slug injury in your host plantings. Weather is a key factor. Wet summers means higher slug and snail populations. Dry summers is […]
Avoid Spotted Spurge in Lawn And Garden Beds
Spotted spurge (Euphorbia maculata) is a dreadful perennial weed that can quickly take over a lawn or garden bed. It often grows in poor compacted soils or in-between cracks in pavement. Once established, it is difficult to eliminate it from your garden. Ideal temperature range for seed germination is 75 to 85 °F, and spurge will germinate […]
Preventing Disease Outbreaks In The Garden
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 […]
Fall Leaf Gathering Turns Into “Black Gold”
In autumn the cool crisp air paints the land with a colorful array from tree and shrub foliage. As days turn into weeks, leaves fall away and pile up on rooftops, walkways, lawns and gardens. Instead of just raking and tossing them curbside, gather and put them to good use. Fallen leaves (and grass clippings) can be […]
Managing Leaf Spot Infections
There are nearly 1,000 fungal pathogens that cause leaf spot diseases on garden plants. Fungal leaf spots vary in size—from the size of a pinpoint to lesions that consume the entire leaf. Many leaf spots are tan to dark brown in color and may be circular, angular or irregular in shape. Some of the common […]
Basic Hosta Facts
Hostas are the most popular shade perennial in the U.S. They prefer a moist, compost-rich, well-drained soil. In northerly areas (USDA hardiness zones 4-5), where summers are cooler, most hardy cultivars grow in full sun. In warmer zones those in full sun must be irrigated frequently. Blue leaf cultivars look their best only in shady areas; the white waxy coating, responsible […]