Archive for the ‘Bacterial diseases’ Category

Mountain Hydrangeas

Mountain hydrangeas (Hydrangea serrata) look very much like big leaf hydrangea (H. macrophylla) except shrubs are smaller, more compact in growth habit with smaller flowers and leaves. They are native to the cool moist woodland valleys in Japan and Korea mountains. (USDA hardiness zones 6-9). These unique hydrangeas fare better in cool climates in zones 5 […]

Types OF Tulips

Over the centuries Dutch tulip breeders have brought to market 15 groups of the spring blooming goodies (USDA hardiness zones 3-8). The properties determining the group to which each tulip belongs are the shape of its flower, its parentage and its flowering period. Let’s take a peak at “the world of tulips”. Here is a […]

Fall Planting And Dividing Iris

Tall bearded (Iris x hybrida), Japanese iris (I. ensata), Siberian irises (I. sibirica) are very popular with U.S. gardeners and are favorites in my spring flower garden (USDA hardiness zones 3-9). The period from late August through mid-October is the ideal time to plant and/or divide irises. Don’t procrastinate…the earlier the better. Give plants enough […]

Beware Of Fast Growing Trees

Many property owners choose fast growing landscape trees. These large shade trees increase the value of your property. Their summer shade and wintry wind protection may reduce utility bills by 20 – 25% . Trees attract wild birds for nesting, protection, and as a food source. Some brighten up your landscape with dazzling fall color. However, we may pay a […]

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 […]

Quest For The Perfect Tomato Continues

Improved disease resistance, fruit color, firmness, and flavor continues to be the main goals of tomato breeders around the U.S. Leaf and root diseases vary from one region to another across the country. Here in the eastern U.S.,  late blight resistance is of key interest. Over the past 33 years, Dr. Randy Gardner, tomato breeder extraordinaire in […]

Enjoy The Double Soft Pink Flowers of Kwanzan Cherry

              Kwanzan cherry (Prunus serrulata ‘Kwanzan’) is a commonly planted Oriental cherry in the U.S. (USDA hardiness zones 5 – 8). It’s most often utilized as a small 25 to 35 foot tall flowering deciduous tree in an open lawn, patio. and deck setting for its cool summer shade. It is a […]

Patio Peach Blooms In Early Spring

  For small garden spaces patio peach (Prunus persica) is a gem. This miniature tree bears long narrow lush green (or reddish) foliage. Site selection is crucial to ward off potential disease and insect problems. Patio peach is a genetic dwarf and may be grown in a large container on your deck or patio. Tree height averages 6-8 feet tall […]

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 […]

Getting Your Greenhouse Ready For Spring

  Before starting new spring vegetable and flower plants, first take some time to make sure that the greenhouse is clean. Follow these three basic rules: #1 – Repair or replace rotten or decayed wooden structural beams or posts, including benches. Be certain that water does not puddle on floors causing disease and insect breeding areas, mold, […]