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CHAMELAUCIUM uncinatum

Image of Chamelaucium uncinatum

Forest & Kim Starr

Family

Myrtaceae

Botanical Name

CHAMELAUCIUM uncinatum

Plant Common Name

Geraldton Waxflower

General Description

Needle-thin leaves on tall, thin stems contrast in texture and color with Geraldton waxflower’s lush clusters of light-pink flowers. An open, fine-textured evergreen shrub for warm climates, it is native to the Shark Bay region of extreme western Australia. The leaves are short, thin, and bright-green to dark-green, depending on the season. Crush a leaf and a pleasant scent of lemon escapes. The branches are smooth and grayish-brown, but on older plants become shaggy. Young twigs can be slightly reddish and are particularly pretty in contrast to the flowers. The flowers, each with five rounded petals surrounding a tiny jagged cup, appear in early winter and continue throughout spring. They have a fragrance of honey and attract honeybees. In bloom, the shrub looks like a billowing cloud of cotton candy as the branches bobble in the breeze.

Plant Geraldton waxflower in an acidic or neutral soil that has superb drainage and, if possible, a sandy composition. The soil should be only mildly fertile. Full sun is crucial for the finest flowering. The shrub does not tolerate humidity or heavy rainfall in summer, precluding its use in the humid, lowland tropics. Use it as a clumping hedge or an accent shrub for the mixed border or foundation. It is an excellent choice for the nutrient-poor, sandy soils alongside roadways.

Many cultivars are now available, each with flowers of different color: 'Album' is white, 'Eric John' and 'Vista' are pink, 'Purple Pride' is red-purple and 'University' has blossoms that change from pinkish purple to purple.

Characteristics

  • AHS Heat Zone

    12 - 10

  • USDA Hardiness Zone

    9 - 15

  • Sunset Zone

    H1, 8, 9, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24

  • Plant Type

    Shrub

  • Sun Exposure

    Full Sun, Partial Sun

  • Height

    5'-15' / 1.5m - 4.6m

  • Width

    6'-12' / 1.8m - 3.7m

  • Bloom Time

    Early Spring, Spring, Late Spring, Late Winter

  • Native To

    Australia

Growing Conditions

  • Soil pH

    Acidic, Neutral

  • Soil type

    Sand

  • Tolerances

    Pollution, Drought, Salt

  • Growth Rate

    Medium

  • Water Requirements

    Drought Tolerant

  • Habit

    Oval/Rounded

  • Seasonal Interest

    Spring, Winter

Ornamental Features

  • Flower Interest

    Showy

  • Flower Color

    White, Light Pink, Rose, Coral, Violet

  • Foliage Color (Spring)

    Green, Light Green

  • Foliage Color (Summer)

    Dark Green

  • Foliage Color (Fall)

    Dark Green

  • Foliage Color (Winter)

    Green, Dark Green

  • Bark Color

    Sandy Brown

  • Fragrant Flowers

    Yes

  • Fragrant Fruit

    No

  • Fragrant Foliage

    Yes

  • Bark or Stem Fragrant

    Yes

  • Flower Petal Number

    Single

  • Repeat Bloomer

    Yes

  • Showy Fruit

    No

  • Edible Fruit

    No

  • Showy Foliage

    No

  • Foliage Texture

    Fine

  • Foliage Sheen

    Matte

  • Evergreen

    Yes

  • Showy Bark

    No

Special Characteristics

  • Bark Texture

    Smooth

  • Usage

    Cutflower, Foundation, Hedges, Mixed Border, Rock Garden / Wall, Tropical

  • Sharp or Has Thorns

    No

  • Invasive

    No

  • Self-Sowing

    No