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    • Photo of Trillium underwoodii by Karl Gercens III

    Photo by Karl Gercens III

    Used with permission, all rights reserved

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    Trillium underwoodii

    Also Known As

    • Underwood's Trillium

    Plant type

    perennial

    size

    • H: 6"-8"
    • W: 12"-18"

    planting zones

    • 5a-9b

    Trillium underwoodii plant details

    Trillium underwoodii is a broadleaf deciduous perennial with variegated foliage. In spring purple flowers emerge. Grows well with mostly sun - shade and even moisture water. Does well in rich and well-drained soil. A good option if you're seeking something verticillium wilt resistant.

    CHARACTERISTICS OF Trillium underwoodii

    Plant type: perennial
    Plant family: melanthiaceae
    Foliage: deciduous variegated
    Mature size: 12 IN - 18 IN - wide, 6 IN - 8 IN - tall
    Flowers: purple blooms in spring

    GROWING CONDITIONS for Trillium underwoodii

    USDA Zones: 5a - 9b
    Sun exposure: mostly sun - shade
    Watering frequency: even moisture
    Resistant to: verticillium wilt
    Soil needs: rich and well-drained

    Gardening facts about Trillium underwoodii plant

    How to Grow Trillium underwoodii

    • Sun Exposure

      • mostly sun - shade

    • Water Needs

      • even moisture

    • Soil Needs

      • well-drained
      • rich

    • Special Situation

      • verticillium wilt resistant

    Features

    • Foliage Color

      • variegated

    • Flower Color

      • purple

    • Flower Season

      • spring

    • Foliage Season

      • deciduous

    Landscape groups by tags

    See other plant types of Trillium for your garden

    Trillium cuneatum

    aka Trillium cuneatum 'Sessile of Hort.', Sweet Betsy, Toad Trillium, Toadshade, Wake Robin, Whipporwill Flower

    Plant Type

    Perennial, Bulb / Corm / Tuber

    Zones

    6a-9b

    Size

    Height: 10"-24"

    Width: 6"-16"

    • mostly sun - shade
    • even moisture
    Photo of Trillium cuneatum flower, foliage, form by Kaldari
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    Trillium luteum

    aka Yellow Toadshade

    Plant Type

    Perennial

    Zones

    4a-7b

    Size

    Height: 12"-18"

    Width: 12"-18"

    • mostly sun - shade
    • even moisture
    Photo of Trillium luteum flower, foliage by Dancing Oaks Nursery
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    Pseudotrillium rivale

    aka Trillium rivale

    Plant Type

    Perennial

    Zones

    5a-8b

    Size

    Height: 4"-6"

    Width: 6"

    • mostly sun - shade
    • even moisture
    Photo of Pseudotrillium rivale flower by J.G. in SF
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    Trillium ovatum

    aka Trillium ovatum subsp. ovatum, Wakerobin

    Plant Type

    Perennial

    Zones

    4a-9b

    Size

    Height: 12"-24"

    Width: 6"-18"

    • mostly sun - shade
    • even moisture
    Photo of Trillium ovatum flower by Keeping it Green Nursery
    View Plant

    More Options

    Trillium kurabayashii

    Plant Type

    Perennial

    Zones

    7a-9b

    Size

    Height: 15"-18"

    Width: 15"-30"

    • mostly sun - shade
    • even moisture - regular
    Photo of Trillium kurabayashii flower by Cistus Nursery
    View Plant

    More Options

    +48 more Trillium
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