Archive for the ‘Wind protection’ Category

Causes of Sudden Leaf Scorch

Leaf scorch or foliage burn is caused primarily by environmental stress factors such as drying winds, drought, mechanical root injury, and winter injury . Natural pathogens, such as viruses, fungi, or bacteria, can be secondary causes. Spraying the wrong pesticide or accidentally allowing spray to drift onto a nearby susceptible landscape plant can result in chemical foliar […]

Gardenias Continue To Disappoint In The Mid-South

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 […]

Tips On Growing Azaleas

Evergreen azaleas (Rhododendron spp.) are actually small-flowered rhododendrons. Depending on where you garden, azaleas enjoy a long bloom period from late March (zone 8) to June (zone 4) in the U.S. Many cultivars bloom for two weeks or more. Fall blooming types like Encore® and Bloom-a thon® series are also available. Azaleas have shallow root systems […]

Autumn Ferns Offer Lush Tropical Touch

              Ferns are fine textured lacey-leaf groundcovers. Many kinds of ferns add a tropical accent to the shade garden. Autumn fern (Dryopteris erythrosora), aka Japanese wood fern,  has evergreen or semi-evergreen arching foliage, depending how cold winter is (USDA hardiness zones 5 to 8). Its common name is misleading. Best fronds color is in spring; fronds unfurl with […]

Growing Amaryllis

    Amaryllis is a tropical bulb that blooms indoors usually in winter (USDA hardiness zones 9-11). It is one of the easiest flowering plants to grow. Everything you need to enjoy a bouquet of big, beautiful flowers is inside the bulb. Simply plant the pre-chilled bulb in a container and add water. There are many […]

Fritillarias – Very Different Spring Flowering Bulb

Crown imperial (Fritillaria imperialis), aka fritillaria, is an impressive spring flowering bulb that is native of Southwestern Asia to the Himalayas (USDA hardiness zones 5-8). In late April to May, large drooping orange, red, or yellow bell-shaped flowers are topped by a small pineapple-like tufts of leaf-like bracts. The leafy fringe on top resembles a […]

Leaf Retention In Landscape Trees

              Most deciduous landscape trees drop their leaves sometime in autumn. The physiology of autumn leaf drop is primarily stimulated by changes in photoperiod or shorter daylength. Autumn colors develop and the leaf petioles form an abscission layer. Black gum (Nyssa sylvatica), for example, start to color up in early September. Winter leaf retention by […]

‘Mojito’ Elephant Ear Is A Tropical Joy

            ‘Mojito’ elephant ear (Colocasia esculenta), aka taro plant, has become a new favorite in the Conlon garden where it is not dependably winter hardy (Zone 6b). According to Tony Avent at Plant Delights Nursery in Raleigh, NC, tubers are dependably winter hardy in zones 7b -10. ‘Mojito’ (pronounced “Mo-he-toe”) is a sport of […]

New Cannova® Cannas Worth A Try

                Cannova® Cannas (Canna x generalis) are one of a new series of seed produced hybrid cannas. In addition to profuse flowering, they’re highly rated for their compact bushy plant habit and ability to form multiple shoots. They bloom earlier and continue nonstop through summer up to first frost. Their bold, […]

Growing Orchids Is A Great Hobby

              At one time growing orchids was an elitist hobby for the very rich in our society. Orchids were expensive to purchase. Today, local greenhouses and garden centers sell orchids at affordable prices. Moth (Phalaenopsis) and lady slipper orchids (Paphiopedilum) are the simplest to grow. Here are some easy tips to […]