Archive for the ‘Pesticide recommendations’ Category

Act Quickly Against Eastern Filbert Blight

European Hazelnut (Corylus avellana) is highly prized both for its edible nuts and as a landscape shrub/small tree. Unfortunately, it is susceptible to eastern filbert blight (EFB). American hazelnut (C. americana) is relatively resistant. EFB is a lethal disease as it may kill a large shrub in 4-5 years. The fungus was discovered in the Pacific […]

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 […]

Keep Your Eye on Red Buckeye

Red buckeye (Aesculus pavia) is shrubby or low branching tree maturing to a 15 – 20 feet in height and spread. This southeastern U. S. native is becoming more recognizable as a good choice as a landscape tree for a small urban garden. Plant the tree in either full to partial sunlight and in average well-drained soil. A tree may […]

Powdery Mildew Disease Resistant Cultivars

Gardeners have learned to associate certain plants with a troublesome disease(s). Powdery and downy mildews have become epidemic in many regions of the U.S. Best ways for managing mildew diseases are prevention, good cultural practices, and spraying.. First, avoid planting susceptible cultivars. Plant in the proper location and space plants far enough apart so they’re not touching. Surrounding […]

Shopping Tips When Purchasing Plants

    Spring and fall are excellent planting times and buying opportunities. A trips to a garden center can be very costly unless you go prepared. Here are some practical tips to make those shopping trips more enjoyable and a lot less expensive. Create your landscape plan first before buying plants. First, visit garden centers to pick up great landscaping ideas […]

Fine Tuning Growing Calamondin Orange In The Home

Calamondin orange (Citris mitis) is challenging to grow in a home environment. It is hardy to 20°F., more than most other true citrus (USDA hardiness zone 8). It does not grow well in temperatures below 45ºF. In temperate regions calamondin spends the active growing months (May – October) outdoors either in direct sunlight (in northern areas) and in half day shade (in […]

Eastern White Pine Losses Continue

Environmental and pathogenic problems continue to take their toll on Eastern White Pine (Pinus strobus). This valued landscape and lumber tree is native in the Eastern U.S. and Canada (USDA zones 3-8). Climate change is likely contributing to recent losses of white pines due a number of serious disease and pest problems that are reducing tree numbers. Pests: A […]

Pest Alert: Viburnum Leaf Beetle May Be Invading

Viburnum Leaf Beetle is gradually coming to the Southeastern U.S. It was first found in upstate New York in 1996. This pest has been on the move, eating its way through native viburnums from upstate New York to northern Pennsylvania to western Maryland. It feeds only on viburnum species. Preferred species include native arrowwood viburnum (V. dentatum), […]

Flowering Cabbage and Kale For Autumn Gardens

            Creating both edible and ornamentally pleasing vegetables has been a goal of plant breeders. Flowering cabbage and kale (Brassica oleracea) are a new landscaping niche in the autumn garden. Plants develop huge leafy rosettes and eventually form heads. Color patterns on leaves include white, cream, red and purple shades. The […]

Dreaded Japanese Beetles Are Back

In many areas of the Eastern U.S. Japanese beetles (JB) devastate the foliage, fruits and flowers of more than 300 plant species, particularly those in the rose family (Rosaceae). Adult beetles are approximately 3/8 inches in length with a dark metallic green head and metallic dark tan wings. In the soil JB grubs appear “C” […]