Silver Dollar Eucalyptus
Eucalyptus cinerea · Broadleaf Evergreen Shrub/Tree (Dicot)
Plant Family
Myrtaceae
Flower Category
Ornamental Foliage / Cut Green
Variety / Cultivar
'Argyle Apple'
Hardiness Zones
USDA Zones 8-11; sensitive to hard freezes but can tolerate light frost and high heat.
About This Flower
Primarily grown for its juvenile foliage which consists of opposite, sessile, cordate to circular leaves. The plant has a spreading, multi-stemmed habit as a shrub but can become a medium-sized tree. Its distinctive silvery-blue hue makes it a staple in floral design.
Petal Characteristics
Petals are largely absent or reduced; the 'flower' is a cluster of creamy-white stamens that emerge from a woody, cup-shaped operculum or bud cap.
Fragrance Profile
Strong, refreshing, and camphorous essential oil scent; strongest when leaves are crushed or stems are cut.
Growing Information
Origin Region
Southeastern Australia; adapted to Mediterranean and subtropical climates
Blooming Season
Early spring to summer; flowers are inconspicuous and often removed in ornamental cultivation
Sunlight & Water Needs
Full sun; low to moderate water needs once established; high drought tolerance and prefers well-drained, sandy or loamy soil.
Mature Size
20-50 feet tall in the wild; often maintained at 6-10 feet in gardens. Spread of 10-15 feet. Leaves are 1-2 inches in diameter.
Special Characteristics
Contains high concentrations of eucalyptol; deer and rabbit resistant; excellent longevity as a dried or fresh cut filler; widely used for essential oil extraction and medicinal aromatherapy.
Pollinator & Ecology
Attracts bees and nectar-feeding birds when in bloom; provides habitat for specialized insects; can be allelopathic to some understory plants.