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    • Photo of Allium thunbergii 'Ozawa' flower by Far Reaches Farm

    Photo by Far Reaches Farm

    Used with permission, all rights reserved

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    Allium thunbergii 'Ozawa'

    Also Known As

    • Autumn Onion
    • Ornamental Onion

    Plant type

    perennial, bulb / corm / tuber

    size

    • H: 6"-10"
    • W: 4"-12"

    planting zones

    • 7a-10a

    More Options

    Allium thunbergii 'Ozawa' plant details

    Allium thunbergii 'Ozawa' is a broadleaf deciduous perennial bulb / corm / tuber with green foliage. In fall and summer purple flowers emerge. Features grassy texture. Attracts bees, butterflies and hummingbirds making it an excellent addition to pollinator gardens. Grows well with sun and regular water. Does well in average, rich and well-drained soil. A good option if you're seeking something verticillium wilt resistant.

    CHARACTERISTICS OF Allium thunbergii 'Ozawa'

    Plant type: perennial bulb / corm / tuber
    Plant family: amaryllidaceae
    Foliage: deciduous green
    Mature size: 4 IN - 12 IN - wide, 6 IN - 10 IN - tall
    Flowers: purple blooms in fall and summer
    Uses: border plant, container plant, cottage garden, long-blooming, ornamental, rock garden

    GROWING CONDITIONS for Allium thunbergii 'Ozawa'

    USDA Zones: 7a - 10a
    Sun exposure: sun
    Watering frequency: regular
    Resistant to: deer and rabbit, verticillium wilt
    Soil needs: average, rich and well-drained

    Nursery contributed plant descriptions

    The last to bloom, ours are still in flower (its December) showy pink heads on 6" stems atop grassy tufts of delicate foliage, an outstanding plant.

    By: Arrowhead Alpines

    Here is a little Japanese bulbous plant that will add some late summer glitz to the rock garden or special foreground planting niche. Not shy about blooming, this will strut its stuff with round purplish flowerheads on 10" stems which sends our friends the Butterflies and Bees into quiet delirium.

    By: Far Reaches Farm

    Gardening facts about Allium thunbergii 'Ozawa' plant

    How to Grow Allium thunbergii 'Ozawa'

    • Sun Exposure

      • sun

    • Water Needs

      • regular

    • Soil Needs

      • average
      • well-drained
      • rich

    • Special Situation

      • verticillium wilt resistant

    Features

    • Foliage Color

      • green

    • Flower Color

      • purple

    • Wildlife

      • bees
      • butterflies
      • hummingbirds
      • deer resistant
      • rabbit resistant

    • Flower Season

      • summer
      • fall

    • Foliage Season

      • deciduous

    • Texture

      • grassy

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