Photo of Costus barbatus flower by Tejas Tropicals

Photo by Tejas Tropicals

Used with permission, all rights reserved

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Costus barbatus

Also Known As

  • Spiral Ginger

Plant type

perennial, bulb / corm / tuber

size

  • H: 6'-8'
  • W: 2'-6'

planting zones

  • 9a-11

More Options

Costus barbatus plant details

Costus barbatus is a broadleaf evergreen or semi-evergreen perennial bulb / corm / tuber with green foliage. In summer red and yellow flowers emerge. Features glossy texture. Grows well with mostly sun - mostly shade and regular water. Does well in well-drained soil. A good option if you're seeking something humidity tolerant and verticillium wilt resistant.

CHARACTERISTICS OF Costus barbatus

Plant type: perennial bulb / corm / tuber
Plant family: costaceae
Foliage: evergreen or semi-evergreen green
Mature size: 2 FT - 6 FT - wide, 6 FT - 8 FT - tall
Flowers: red and yellow blooms in summer

GROWING CONDITIONS for Costus barbatus

USDA Zones: 9a - 11
Sun exposure: mostly sun - mostly shade
Watering frequency: regular
Resistant to: humidity and verticillium wilt
Soil needs: well-drained

Nursery contributed plant descriptions

Costus barbatus is one of the most stunning flowering plants in the world. It grows from 6-8 feet and every spiral leaved stem produces a bright red 8 inch bract. Each red bract produces lemon yellow flowers that create the most beautiful contrast of colors. Taxonomists have determined that this plant is actually Costus cosmosus but most folks still know it as barbatus. Regardless of the true name this is a must have Costus.

By: Tejas Tropicals

Gardening facts about Costus barbatus plant

How to Grow Costus barbatus

  • Sun Exposure

    • mostly sun - mostly shade
  • Water Needs

    • regular
  • Soil Needs

    • well-drained
  • Special Situation

    • humidity tolerant
    • verticillium wilt resistant

Features

  • Foliage Color

    • green
  • Flower Color

    • red
    • yellow
  • Flower Season

    • summer
  • Foliage Season

    • evergreen
    • semi-evergreen
  • Texture

    • glossy

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