Tiny Wine (Physocarpus opulifolius 'SWPOTWG'): A small, bushy 3 to 4 feet high and wide shrub with fine-textured, deep purple leaves; small clusters of white flowers bloom up and down the . The Best Ninebark Shrubs for the Garden - FineGardening A change of weather and the right growing conditions will reduce future problems. Stipes Publishing LLC, Champaign, IL, Dirr, M.A. Photo: Mona Larochelle / Millette Photomedia, Amber Jubilee (syn. The OSU Plant Clinic has detected this disease on eastern ninebark. The widespread identify of ninebark originates from the exfoliating bark that peels in layers when crops mature. In the paucity of knowledge for managing ninebark powdery mildew, the findings of this current study can assist woody ornamental producers for better and sustainable management of powdery mildew disease on ninebark. & Peck, G.M. Mounding compact habit, 3-5 feet tall and wide. Wash. 87 356 370, White, T.J., Bruns, T.D., Lee, S. & Taylor, J. Get planting advice, garden design tips and trends, monthly checklists for your area, product specials and more in our weekly newsletter. Use a smaller variety as edging along a pathway, as a foundation planting, or a stand-alone accent. Group 3 + 11 fungicide. Older shrubs can be radically pruned close to the ground before winter to encourage better leaf and flower growth come spring. 19 143 152, Dirr, M.A. Prune ninebark after it flowers, or no later than mid-August, to maintain its shape and to improve air circulation around the plant. 2014 Powdery mildew control of cucurbit with organic and synthetic fungicides: 2014 field trial. Mildew is less of an issue on newer varieties. Physocarpus opulifolius, Dwarf compact habit, 3-4 feet tall and wide. Powdery mildew is mostly a cosmetic problem on many plants; however, on ninebark it can cause serious leaf loss and even branch tip dieback. J. This coarse-textured shrub is a member of therose family, which also includes hawthorn and spirea, and features yellow, green, or reddish leaves that form an attractive cascading mound. University of California Cooperative Extension, Department of Plant Pathology, Davis, CA. This ninebark plant thrives in zones 4 to 10. How to Plant and Grow Ninebark - Better Homes & Gardens Physocarpus opulifolius, Compact bushy habit, 3-4 feet tall and wide. On a day when the temperature will remain below 90 degrees F, water the Diabolo well. Little Devil (syn. This field is for validation purposes and should be left unchanged. Leaf spot diseases weaken trees and shrubs by interrupting photosynthesis. Dig a hole as deep as the nursery container and twice as wide. Photo: Rock Gigure / Millette Photomedia. Learn how The Morton Arboretum is ensuring the future of trees through leading-edge science and conservation. Entomol. This shrub prefers a neutral to slightly acidic soil that drains well, but it will tolerate slightly alkaline soils, as well. Learn which plants thrive in your Hardiness Zone with our new interactive map! Ninebark prefers moderately moist, well-draining soil with a pH that is neutral to slightly acidic. 68 858 864, Welch, B. Come discover lush, green landscapes, and find respite and inspiration in the shade of towering trees. Plant Pathol. Growing purple ninebark in your home garden adds a deep, saturated pop of color to your space. Plant Disease Management Report OT005. Plant in early spring when plants are dormant. Shade or low light intensities also increase the development of this disease. L1 total a.i. Purple ninebark is a cultivar of common ninebark (Physocarpus opulifolius), also referred to as Eastern ninebark. Trim any overhead branches shading the plant. Breeding innovations have resulted in varieties with foliage colors ranging from bright gold to nearly black, as well as smaller stature more suited to urban lots. Use as a background plant to set off flowering annuals and perennials. Ninebark is generally considered deer-resistant, though some gardeners will experience damage from grazing. FREE WEEKLY NEWSLETTER: Plants, Design Ideas, Gardening Solutions & More!
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