From African marigolds to downy mildew-resistant impatiens to pericallis and zinnias, check out 23 new annuals that will be available for retail in 2020. There are several impatiens diseases, including fungal blights and rots, viruses, and bacterial wilt. Read this article to understand what the disease is, whether you should be worried or not and what possible replacements for Impatiens are out there. Breeders shared so many of the new annual introductions with us that they showed off at California Spring Trials 2019 that we had to make up a second slideshow to get everything in. Common impatiens, or Impatiens walleriana, once relatively free of pests, is now contracting a disease called impatiens downy mildew, and the results are not pretty. In 2011 it returned, apparently having developed a resistance to available fungicides. Impatiens Flowers Disease. They’re disease-resistant for a healthier garden with vibrant, lasting color. It’s time to plant the NEW Beacon ® impatiens in your shade gardens, containers and baskets. Leaf spots and rotting can signal fungal problems. It proceeded to kill traditional impatiens off across the state. Meanwhile, in the 1960s, the first modern F1 impatiens, Elfin, was bred in … But, if you are watering your impatiens in the evening, this may account for the disease being present. Most fungal issues are a result of wet foliage or overcrowding. My Impatiens Are Wilting. Imara® impatiens. It's 2020, a new decade, so may we finally plant impatiens?Are Busy Lizzies back in business? But it’s chosen to lay dormant, with few cases reported. The disease is called Impatiens Downey Mildew (IDM) and it showed up first in Europe nearly ten years ago. Impatiens is a stalwart annual in shade gardens and with good reason. New Guinea Impatiens. Ask for Beacon impatiens at your favorite local garden center. Avoiding wet foliage and ensuring adequate spacing can help. However, bedding Impatiens are susceptible to downy mildew. New Guinea impatiens do well in the … Unfortunately, downy mildew disease took them out of production nationwide. The disease flourishes in climates with high humidity and cool nights, and it was found year-round in south Florida. Impatiens downy mildew—Plasmopara obducens, a disease caused by a fungus-like organism—has been known since the 1940s to exist in American soil. Photo: www.twipu.com In 2013, a fast-spreading disease—impatiens powdery mildew or IMP (Plasmopara obducens)—essentially wiped the garden impatiens (Impatiens walleriana), for over 40 years the world’s most popular annual, off the horticultural map, leaving gardeners struggling to find replacements. What other annual could bloom so wonderfully in the shade? Bright, cheerful impatiens are normally quite tough and disease-tolerant. The answer is yes, as to Imara impatiens. Neem oil can also help treat fungal issues. 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