*Soil pH is determined using a professional soil test. Lowery, T., Clemson Horticulture student, personal experience.Vincent, E., Environmental horticulturist Clemson University, personal communication.University of Florida, IFAS Extension.Columbia, SC: South Carolina Forestry Commission. (2003) Urban tree species guide: Choosing the right tree for the right place. North Carolina State University (2005).Missouri Botanical Garden Kemper Center for Home Gardening.McMillan, P., Plant taxonomist Clemson University, personal communication.Lady Bird Johnson Wildflower Center University of Texas at Austin.Clemson Cooperative Extension Home and Garden Information Center.(2011).Herbaceous perennial plants: A treatise on their identification, culture, and garden attributes. Armitage’s native plants for North American gardens. Armitage’s manual of annuals, biennials, and half-hardy perennials. org/PlantFinder/FullImageDisplay.aspx ?documentid=7880 This plant does not appear on the following invasive plant lists on : USDA SC Invasive Plant Species SC Exotic Plant Pest Council However, some susceptibility to leaf blight and powdery mildew has been observed and the occasional spider mite and aphid visitors 12. Pests: Plants are relatively pest resistant if cultural preferences are met. Apply follow up mulch in summer to retain a cool, moist environment 12. Do not allow mulch to touch the trunk 14. Modify water recommendations to reflect site drainage and rainfall. At planting, water the root ball daily with two gallons of water per inch of trunk diameter for two weeks, every other day for two months and then weekly until established. This hydrangea is naturally found in moist, low lying areas and stream banks so prefers a well moistened soil and mulching especially in summer 12,20.Ĭare: Plant so root flare is visible at soil surface 14. Siting: Oakleaf Hydrangea makes an excellent accent for foundational planting as well as being right at home in woodland settings or shade gardens. An added interest of this specimen is the unique foliage which resembles large oak leaves and turns deep red-purple in the fall 13,20. tall and wide 12 Type: Deciduous woody 12 Habit: Multi-stemmed, upright, colonizing shrub 10,12 Wetland indicator category**: Not found 17 Texture: Course 20 Growth rate: Fast 19 Light: Part-shade to shade preferred 10,12,13,19 Moisture: Medium-moist 10,12,13 Soil*: Fertile, well-drained, 6.8-7.2 10,12,13,19 Zones: 5-9 12 Origin: Florida, Georgia, South Carolina, North Carolina, Tennessee, Alabama, Louisiana, Mississippi 16 Ecosystem benefits: Low wildlife benefit, favorable to deer, attracts some butterflies and hummingbirds 10,13,19įeatures: The Oakleaf Hydrangea is an easy to grow, mounding, shrub with beautiful panicles of creamy white flowers in the summer that dry to a dusty purple in early winter. Latin name: Hydrangea quercifolia 10 Common name: Oakleaf hydrangea 10 Flowers: Progression from white-purple panicles in June and July persisting through midwinter 10,13 Fruit or cones: Inconspicuous 10 Height & Width: 6-8ft.
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