Eucalyptus polyanthemos (silver dollar gum, "Poporasu")

Japanese name: ポポラス
Scientific name: Eucalyptus polyanthemos

[Overview]
An evergreen small to large tree growing up to 20 m tall.
The bark of the trunk and thick branches usually peels off, leaving a mottled pattern of gray, cream and yellow.
The crown is dome-shaped.
Juvenile and adult leaves differ in shape: juvenile leaves are broadly ovate to nearly round, 2.5–8 cm long and 2.5–6.5 cm wide, green to bluish gray, and have petioles.
Adult leaves are lanceolate to ovate or round, 5–11 cm long and 2–5 cm wide, dull green to bluish or grayish green, with petioles 1–3 cm long.
The veins are distinct, and the marginal vein is clearly separated from the leaf edge.
In the flower, the petals and sepals are fused into a cap, which falls off when the flower opens.
The flowers have many white stamens.
The fruit is a conical capsule.

[Cultivation]
Propagate from seed or cuttings.
Mature trees are difficult to transplant.
It is somewhat weak in cold hardiness.
It prefers a sunny, airy, well-drained soil.
Potted plants should be kept out of the rain during long rainy spells, and in winter placed in a warm, sunny place indoors.
It prefers to be somewhat on the dry side, so be careful not to overwater; for potted plants, water thoroughly when the soil surface dries, and for plants in the ground, rainfall is sufficient.
In spring and autumn, place a small amount of slow-release fertilizer on the soil.
Pests and diseases include powdery mildew and spider mites.

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