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EUCALYPTUS polyanthemos

Image of Eucalyptus polyanthemos

Michael Charters, www.calflora.net

Family

Myrtaceae

Botanical Name

EUCALYPTUS polyanthemos

Plant Common Name

Silver Dollar Gumtree

General Description

Its cool blue-green juvenile foliage and moderate size make this Southeast Australian native a popular choice for home landscapes. A medium-sized, upright, evergreen tree with somewhat ascending, often arching branches, it has round silvery leaves when young. More mature specimens bear oval gray-green leaves. Both types sometimes occur on the same tree, providing added visual interest. The aromatic, colorful foliage is popular in cut flower arrangements. Clusters of small white fuzzy flowers appear at the branch tips in spring and summer, followed by very hard thimble-shaped seed pods. The exfoliating bark is a patchwork of soft earth tones that contrast beautifully with the foliage. Large trunks and branches may have persistent fibrous gray or brown bark.

This sun-loving and cold-tender tree does best in well drained soil. Often planted singly as a shade tree, it also works well in group plantings. Cut it to the ground in early spring and grow it as a perennial where space is limited or where its top growth is marginally hardy.

Characteristics

  • AHS Heat Zone

    11 - 3

  • USDA Hardiness Zone

    8 - 11

  • Sunset Zone

    H1, H2, 5, 6, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24

  • Plant Type

    Tree

  • Sun Exposure

    Full Sun, Partial Sun

  • Height

    20'-60' / 6.1m - 18.3m

  • Width

    10'-30' / 3.0m - 9.1m

  • Bloom Time

    Spring, Summer

  • Native To

    Australia

Growing Conditions

  • Soil pH

    Acidic, Neutral

  • Soil Drainage

    Well Drained

  • Soil type

    Loam, Sand

  • Tolerances

    Pollution, Drought, Soil Compaction

  • Growth Rate

    Very Fast

  • Water Requirements

    Xeric/Desert, Drought Tolerant

  • Habit

    Upright/Erect

  • Seasonal Interest

    Spring, Summer, Fall, Winter

Ornamental Features

  • Flower Interest

    Insignificant

  • Flower Color

    White

  • Fruit Color

    Green, Purple

  • Foliage Color (Spring)

    Blue Green, Gray Green, Silver

  • Foliage Color (Summer)

    Blue Green, Gray Green, Silver

  • Foliage Color (Fall)

    Blue Green, Gray Green, Silver

  • Foliage Color (Winter)

    Blue Green, Gray Green, Silver

  • Bark Color

    Salmon, Tan, Brown, Sandy Brown, Ivory, Gray

  • Bark Color Modifier

    Multi-Color

  • Fragrant Flowers

    No

  • Fragrant Fruit

    No

  • Fragrant Foliage

    Yes

  • Bark or Stem Fragrant

    Yes

  • Flower Petal Number

    Single

  • Repeat Bloomer

    No

  • Showy Fruit

    No

  • Edible Fruit

    No

  • Showy Foliage

    Yes

  • Foliage Texture

    Medium

  • Foliage Sheen

    Matte

  • Evergreen

    Yes

  • Showy Bark

    Yes

Special Characteristics

  • Bark Texture

    Exfoliating

  • Usage

    Cutflower, Dried Flower/Everlasting, Feature Plant, Screening / Wind Break, Shade Trees

  • Sharp or Has Thorns

    No

  • Invasive

    No

  • Self-Sowing

    No