Archive for the ‘Powdery mildew’ Category

Stop The “Crape Murder”

In Tennessee (where I live) and in the Southeastern U.S., bad crape myrtle (Lagerstroemia x) pruning continues to be done by professional landscapers and homeowners (USDA hardiness zones 6-9). This practice, also called “topping”, reduces tree (or shrub) height. Over 25 years, Southern Living magazine called this “crape murder”. Crape murder is not going away. More crape […]

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 […]

Types of Garden Irrigation

These days there are lots of choices in watering gardens, individual containers, and newly planted trees. Before setting your flowers or veggies, install drip lines or soaker hoses. These systems are the most efficient method of watering and put less hurt on your water bill. Drip systems deliver water at ground level and do not wet the […]

Some Zone 7 Camellias Survive In Zone 6 As Well

  A short list of early blooming Sasanqua camellias possess the  ability to do grow well in zone 6 areas. In my opinion, the zone 7 cultivar ‘Shishigashira’ steps to the head of the class. It is a November bloomer that has proven to be exceptionally cold hardy dwarf variety. The good folks at Cam Too, a camellia […]

Bedding Geraniums Excel In Cool Weather

                Over the past decade, the zonal or bedding class of geraniums (Pelargonium x hortorum) have become summer favorites in northern gardens (USDA hardiness zones 3-7). Geraniums thrive in cool weather, but are also widely planted in zones 9-10 gardens where winter temperatures are moderate. Increasing numbers of colorful varieties beautify flower beds and container gardens. Leaves are […]

Asian Pears Becoming Very Popular

Whether home-grown or store bought, Asian pear (Pyrus pyrifolia) fruits ripen sweet and tasty on the tree (USDA hardiness zones 4-9). There are over 100 varieties available worldwide, many with difficult to pronounce. Investigate variety cold hardiness and winter chilling rating as some cultivars are hardier than others. Southern varieties require only 300- 600 hours of winter chilling temperatures […]

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 […]

Tips On Sowing Milkweed Seeds

              Milkweed (Asclepias tuberosa), aka butterfly weeds, are tuberous rooted perennials native to the Eastern and southern U.S. (USDA hardiness zones 3 to 9). It grows in dry/rocky open woodlands, prairies, farm fields, and along roadsides. A clump of milkweed plants grow 1- 3 feet tall and spread 1 ½ feet wide. Unlike other milkweeds […]

New ‘Black and Bloom’ Salvia Lovely Touch To Late Summer Garden

            Blue anise sage (Salvia guaranitica) is native to central South America (USDA hardiness zones 7-10). It primarily utilized as a garden annual in the U.S., but is rated a tender perennial in protected locations with winter mulch cover in zone 6. Plants exhibit a shrubby, somewhat open habit with upright branching, to 3-5 feet […]

Many New Beebalm Cultivars Continue to Roll Out

Bee balms, aka bergamots or Oswego tea (Monarda spp.) are native to eastern North America (USDA hardiness zones 4-9). Plants are easy to grow, bloom beautifully, and multiply rapidly. They are treasured for their raging colored flowers and medicinal properties. Numerous bee pollinators as well as butterflies and hummingbirds favor the summer blooms. The native […]