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    • Photo of Arisaema costatum flower by Keeping it Green Nursery

    Photo by Keeping it Green Nursery

    Used with permission, all rights reserved

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    Arisaema costatum

    Also Known As

    • Cobra Lily

    Plant type

    perennial, bulb / corm / tuber, aroid

    size

    • H: 36"-40"
    • W: 24"-60"

    planting zones

    • 6a-9b

    More Options

    Arisaema costatum plant details

    Arisaema costatum is a broadleaf deciduous perennial aroid bulb / corm / tuber with green foliage. In spring and summer white flowers emerge. Grows well with bright shade - shade and even moisture - regular water. Does well in average, rich and well-drained soil. A good option if you're seeking something heat tolerant, humidity tolerant and verticillium wilt resistant.

    CHARACTERISTICS OF Arisaema costatum

    Plant type: perennial aroid bulb / corm / tuber
    Plant family: araceae
    Foliage: deciduous green
    Mature size: 24 IN - 60 IN - wide, 36 IN - 40 IN - tall
    Flowers: white blooms in spring and summer
    Uses: unique, woodland garden

    GROWING CONDITIONS for Arisaema costatum

    USDA Zones: 6a - 9b
    Sun exposure: bright shade - shade
    Watering frequency: even moisture - regular
    Resistant to: deer and rabbit, heat, humidity and verticillium wilt
    Soil needs: average, rich and well-drained

    Nursery contributed plant descriptions

    The bold spathe of A. costatum is burgundy-purple with white stripes. The tip of the spathe-limb has a long, often twisted, thread-like appendage that dangles to the ground. The trifoliate leaf has raised veins and purple wavy margins. From Nepal and Tibet.

    By: Phoenix Perennials and Specialty Plants Ltd.

    Blooms: spring, Carmine and white srtriped spathe, Large trifoliate leaves W/ thick veining Zone 6-9. 3', Nepal, part shade-shade, moist, well drained

    By: Keeping it Green Nursery

    From the Himalayan Mountains. Requires mulch for protection in colder areas. It has striking contrast in it's spathe, the most interesting thing to me is the spadix. It can twist its way up to 18 inches in the air. These bulbs are almost size of a baseball and look disgustingly healthy. Healthy Full Size Bulbs. Best handled and transported during the cold season.

    By: Edens Blooms

    Very ornamental large sickle shaped leaves make a bold 2 foot tall statement.

    By: Dancing Oaks Nursery

    Gardening facts about Arisaema costatum plant

    How to Grow Arisaema costatum

    • Sun Exposure

      • bright shade - shade

    • Water Needs

      • even moisture - regular

    • Soil Needs

      • average
      • well-drained
      • rich

    • Special Situation

      • heat tolerant
      • humidity tolerant
      • verticillium wilt resistant

    Features

    • Foliage Color

      • green

    • Flower Color

      • white

    • Wildlife

      • deer resistant
      • rabbit resistant

    • Flower Season

      • summer
      • spring

    • Foliage Season

      • deciduous

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