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    • Photo of Odontonema tubaeforme flower by Karl Gercens III

    Photo by Karl Gercens III

    Used with permission, all rights reserved

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    Odontonema tubaeforme

    Also Known As

    • Justicia tubaeformis
    • Odontonema longifolium
    • Odontonema strictum
    • Thyrsacanthus strictus
    • Thyrsacanthus tubaeformis
    • Cardinal Guard
    • Firespike
    • Scarlet Flame

    Plant type

    perennial

    size

    • H: 3'-5'
    • W: 2'-3'

    planting zones

    • 8a-11

    More Options

    Odontonema tubaeforme plant details

    Odontonema tubaeforme is a broadleaf deciduous perennial with green foliage. In fall and summer red flowers emerge. Attracts hummingbirds. Grows well with mostly shade - shade and even moisture water. Does well in average and well-drained soil. A good option if you're seeking something heat tolerant.

    CHARACTERISTICS OF Odontonema tubaeforme

    Plant type: perennial
    Plant family: acanthaceae
    Foliage: deciduous green
    Mature size: 2 FT - 3 FT - wide, 3 FT - 5 FT - tall
    Flowers: red blooms in fall and summer
    Uses: container plant, showy, tropical-looking

    GROWING CONDITIONS for Odontonema tubaeforme

    USDA Zones: 8a - 11
    Sun exposure: mostly shade - shade
    Watering frequency: even moisture
    Resistant to: heat
    Soil needs: average and well-drained

    Nursery contributed plant descriptions

    Brilliant red tubular blooms are borne in spikes atop the glossy green foliage in fall and winter. An upright yet bushy shrubby perennial. Hardy through most winters. A Dawn Stover Nifty Fifty favorite herbaceous plant! Dawn is a Research Associate at Stephen F Austin in Nacogdoches, TX and currently maintains the Mast Arboretum plant collection. For more about Dawn, the wonderful arboretum, and Stephen F Austin's excellent horticultural program click here.

    By: Almost Eden

    ODONTONEMA STRICTA, known as firespike, a small to medium shrub growing to 5' in zones 8-11. Likes part shade to shade with 4-6" leaves, shiny with wavy margins. Likes moist rich soil, well drained. Flowers summer and fall with beautiful spikes of crimson red tubular waxy blossoms that are loved by hummingbirds. Grow as a annual in north.

    By: Accents for Home and Garden

    Gardening facts about Odontonema tubaeforme plant

    How to Grow Odontonema tubaeforme

    • Sun Exposure

      • mostly shade - shade

    • Water Needs

      • even moisture

    • Soil Needs

      • average
      • well-drained

    • Special Situation

      • heat tolerant

    Features

    • Foliage Color

      • green

    • Flower Color

      • red

    • Wildlife

      • hummingbirds

    • Flower Season

      • summer
      • fall

    • Foliage Season

      • deciduous

    See other plant types of Odontonema for your garden

    Odontonema cuspidatum 'Gray White'

    aka Cardinal's Guard, Variegated Firespike

    Plant Type

    Perennial

    Zones

    9a-11

    Size

    Height: 2'-3'

    Width: 2'-3'

    • bright shade - mostly shade
    • even moisture
    Photo of Odontonema cuspidatum 'Gray White' foliage by Almost Eden
    View Plant

    Odontonema callistachyum

    aka Odontonema callystachyum, Purple Firespike

    Plant Type

    Perennial

    Zones

    8a-11

    Size

    Height: 2'-3'

    Width: 2'-3'

    • sun - shade
    • regular
    Photo of Odontonema callistachyum flower by Karl Gercens III
    View Plant

    More Options

    +1 more Odontonema
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