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    • Photo of Kniphofia caulescens flower, form by Panayoti Kelaidis

    Photo by Panayoti Kelaidis

    Used with permission, all rights reserved

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    Kniphofia caulescens

    Also Known As

    • Red-hot Poker
    • Torch Lily

    Plant type

    perennial

    size

    • H: 3'-4'
    • W: 2'-3'

    planting zones

    • 4b-10a

    More Options

    Kniphofia caulescens plant details

    Kniphofia caulescens is a broadleaf evergreen perennial with blue foliage. In fall and summer orange and yellow flowers emerge. Features glaucous texture. Attracts hummingbirds. Grows well with sun - mostly sun and even moisture - low water. Drought tolerant once established. Prefers to be dry in summer. Adapts to various soil conditions. Does well in average, clay, gritty, rich and well-drained soil. A good option if you're seeking something heat tolerant and verticillium wilt resistant.

    CHARACTERISTICS OF Kniphofia caulescens

    Plant type: perennial
    Plant family: asphodelaceae
    Foliage: evergreen blue
    Mature size: 2 FT - 3 FT - wide, 3 FT - 4 FT - tall
    Flowers: orange and yellow blooms in fall and summer

    GROWING CONDITIONS for Kniphofia caulescens

    USDA Zones: 4b - 10a
    Sun exposure: sun - mostly sun
    Watering frequency: even moisture - low
    Resistant to: heat and verticillium wilt
    Soil needs: average, clay, gritty, rich and well-drained

    Nursery contributed plant descriptions

    Four foot, fat spikes of yellow topped by burning orange July to August (frequently into fall for us) over semi-evergreen to evergreen, curving, blue green, architectural foliage. This species is more tolerant of irrigation than others. Hummers adore the flowers. Foliage forms clumps about 3’ wide and 2’ tall. Easy to grow. USDA Z6-10 3" pot

    By: Secret Garden Growers

    A broad-leaved evergreen poker with blue-grey foliage held on a short woody trunk. Coral buds open soft yellow in fall. The colourful Tony Avent says it is "like a blue octopus after rigor mortis has set in." You can imagine then that it is an interesting structural addition to the garden and useful as a focal point where you wish to draw the eye.

    By: Phoenix Perennials and Specialty Plants Ltd.

    Gorgeous blue-green rosettes of foliage are garden worthy in their own right. By late summer the clump is crowned with glowing crimson, golden, and ivory torches that create a focal point in the border or xeriscape. One of the most versatile and showy of wild torch lilies, this promises to be a "must have" for all who see it. Does best in loamy soil.. USDA zones 4b-9 (up to7000').

    By: Plant Select®

    Narrow, evergreen, blue-green leaves maintain a good garden presence throughout the year so the July-August flowers, orange and yellow on 4 ft spikes are a wonderful bonus. Heat and drought tolerant, so bright sun and little summer water. Enjoy! Frost hardy in USDA zone 6.

    By: Cistus Nursery

    I can honestly say I’ve never met a Kniphofia that I didn’t like & this is one of my favorites. The foliage is wide & a beautiful silver-blue color. The leaves are held fairly stiffly, giving it the look of an Aloe when not in bloom. Chunky flower heads of orange tubes age to a pale yellow. In late Summer through Fall. The foliage is so great, it’s worth growing for that alone. The rosettes will eventually form basal stems if grown in a warm climate where they won’t freeze back. Native to the Drakensburg Mountains of South Africa, this Kniphofia is pretty cold hardy. It will look best in rich, well drained soil. To 3’x3’ clump. Hummingbirds love the flowers!

    By: Annie's Annuals & Perennials

    Bluish green leaves in upright clusters are reason enough to grow this species. Thick orange and yellow poker flower on 3' stems and 2' diameter plants.

    By: Dancing Oaks Nursery

    Gardening facts about Kniphofia caulescens plant

    How to Grow Kniphofia caulescens

    • Sun Exposure

      • sun - mostly sun

    • Water Needs

      • even moisture - drought tolerant

    • Water Needs

      • dry in summer

    • Soil Needs

      • clay
      • adaptable
      • average
      • well-drained
      • rich
      • gritty

    • Special Situation

      • heat tolerant
      • verticillium wilt resistant

    Features

    • Foliage Color

      • blue

    • Flower Color

      • orange
      • yellow

    • Wildlife

      • hummingbirds

    • Flower Season

      • fall
      • summer

    • Foliage Season

      • evergreen

    • Texture

      • glaucous

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