Archive for the ‘Botrytis disease’ Category

Avoid Dreaded Tulip Fire Disease

For over a one-half century Kingwood Center in Mansfield, Ohio has been widely known for their fabulous tulip displays every spring. Over the past few years Kingwood’s garden staff had noted a decline in bloom because of a disease identified as “Tulip Fire” (Botrytis tulipae). This fungal botrytis disease tends to accumulate in the soil […]

Spring – Summer Care of Herbaceous Peonies After Flowering

Summer weather can be tough on the foliage of tree and herbaceous peonies tree (P. lactiflora). Here are some tips to ensure your peony plants will prosper for many years to come. Keep foliage disease-free and prune off all badly infected with mildew or black spotted.  Some varieties naturally shed their leaves (go dormant) early. Itoh hybrids and most […]

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 […]

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 […]

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, […]

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 […]