Gardener News

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Gardener News 16 Mount Bethel Road #123 Warren, NJ 07059

TAKE ONE

FIRST-CLASS MAIL U.S. POSTAGE PAID HILLSBOROUGH, NJ PERMIT NO. 4444

Gardener News Serving the Agricultural, Gardening and Landscaping Communities

March, 2013

GARDENERNEWS.COM

TAKE ONE No. 119

Time to Start Thinking About Annuals in New Jersey

Tom Castronovo/Photo

Garden impatiens (Impatiens walleriana) before the downy mildew disease has infected them. By Douglas H. Fisher Secretary of Agriculture Garden Impatiens are among the most popular bedding plants in North America. Spring, summer and fall, all across New Jersey, homes and businesses are abloom with a rainbow of colors of these beautiful plants. A true “utility� plant,

garden Impatiens can be grown in partial sun in northerly areas, but excel in providing a variety of easyto-care-for white, red, pink, violet, coral or purple flowers in shaded areas. Impatiens also are useful in container gardens, hanging baskets or window boxes. But last year, many people found their impatiens did not fare so well. This was due to impatiens downy

mildew, a destructive foliar disease of garden Impatiens -- balsam impatiens, garden balsam, or rose balsam-- and native wild impatiens known as jewelweed. Downy mildew does not threaten New Guinea impatiens or other flower or vegetable crops. While there have been sporadic reports of this disease in production greenhouses in the United

States since 2004, widespread regional outbreaks of impatiens downy mildew were observed for the first time in North American landscapes in 2011. The first reports of impatiens downy mildew in New Jersey came in late-June 2012, largely in Monmouth and Ocean counties. As the summer of 2012 progressed, the disease devastated garden impatiens

beds in many areas throughout New Jersey, New York and Pennsylvania, and nationally from Florida, Louisiana, North Carolina in the south, throughout Massachusetts and Connecticut in the north, and westward to Missouri, Illinois and Wisconsin, and in southern coastal California. By October 2012, impatiens downy mildew had been confirmed in landscape beds and/or (Cont. on page 20)


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