Spiraea nipponica

Spiraea nipponica Spiraea nipponica

What is the plant

Spiraea nipponica is a species of flowering plant in the family Rosaceae, native to the island of Shikoku, Japan. Growing to 1.2–2.5 m tall and broad, it is a deciduous shrub with clusters of small, bowl-shaped white flowers in midsummer.

Spiraea nipponica, commonly called spirea, is a dense, upright, mounded, deciduous shrub that typically matures to 5-8’ tall with a slightly larger spread. It is native to the island of Shikoku, Japan. Obovate to elliptic leaves (to 1 1/4” long) are dark green above but blue-green beneath with round toothed apices. Foliage turns a minimally attractive yellow in fall. Tiny white five-petalled flowers in rounded hemispherical clusters (corymbs) cover the foliage in late spring to early summer (late May to June). Flowers are attractive to butterflies. Genus name comes from the Greek word speira meaning wreath in reference to the showy flower clusters seen on most shrubs in the genus. Specific epithet refers to this shrub as being a native of Japan.

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Lighting

Full Sun

Hardiness zone

max 8b

Difficulty

Medium

Water
Keep newly planted spireas well-watered until they become established. mature spireas are drought tolerant and only need watering when the soil becomes dry. spireas don't like wet feet, so avoid oversaturating the soil.
Sunlight
12-14 hours of indirect sunlight.
Fertilizer
Use a fertilizer formulated specifically for your plant. Avoid over-fertilizing and follow the instruction on the label.

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Soil
The ideal blend of soil for plant growth is called loam. Often referred to as topsoil or black dirt by landscape companies, loam is a mixture of sand, clay, and silt.
Pruning
Remove dead leaves.
Temperature
The plant can be grown in the areas with the lowest winter temperatures of −40°C (−40°F).

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Container
Increase pot size by 2.5-5 cm (1 to 2 inches) in diameter for plants that are growing in pots 25.4 cm (10 inches) in diameter or less. For larger plants, those growing in pots greater than 10 inches in diameter, increase the pot size by 5 or 7.62 cm (2 or 3 inches) in diameter.
Popularity
708 people already have this plant 297 people have added this plant to their wishlists