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florist's spiraea

Scientific Name: Astilbe japonica

Family: Saxifragaceae

Category: Dicot

Growth: Forb/herb

Duration: Perennial

Other Names:

       

Astilbe japonica: The Florist's Spiraea

Astilbe japonica, commonly known as florist's spiraea or Japanese astilbe, is a popular perennial prized for its delicate, feathery plumes of flowers.

Nomenclature and Taxonomy

  • Scientific Name: Astilbe japonica (C. Morren & Decne.) A. Gray
  • Common Names: Florist's spiraea, Japanese astilbe
  • Genus: Astilbe Buch.-Ham. ex D. Don
  • Synonyms: Hoteia barbata Hook., Hoteia japonica C. Morr. & Decne.
  • Taxonomic Status: Accepted species

Distribution and Habitat

  • Native to Japan, specifically Honshu (west of Kinki region), Shikoku, and Kyushu.

Morphological Characteristics and Growth Habits

  • Type: Perennial forb/herb (non-woody plant)
  • Height: Varies depending on the variety, ranging from 14" to 30" (35cm to 75cm).
  • Spread: Varies depending on the variety, ranging from 12" to 4' (30cm to 1.20m).
  • Growth Rate: Average.
  • Exposure: Full shade to partial shade.
  • Blooming Season: April to November.
  • Flower Colors: White, pink, red, peach.

Interactions with Other Organisms

  • Susceptible to leaf spot (Discosia spp.).
  • Can be a host for cucumber mosaic virus.
  • Aphis spiraecola (spiraea aphid) is associated with it.