Common Pearlbush

(Exochorda racemosa)

Common Pearlbush (Exochorda racemosa)

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Climate Requirements

Precipitation 21" - 53"
High Temp. 72°F - 91°F
Low Temp. 19°F - 34°F

Summary

Exochorda racemosa, commonly known as Common Pearlbush, is a deciduous shrub native to open woodlands and forest edges in Asia-Temperate regions, particularly in China. It typically grows to a height of 4-8 feet (1.2-2.4 meters) and a similar width, with a loose, irregular or vase-shaped and upright form. The plant is renowned for its spectacular spring bloom, featuring clusters of white flowers that resemble pearls before they open, hence the name "Pearlbush." These flowers, about 4 cm (1.6 in) in diameter, have round petals and are borne in racemes with groups of six to ten, flowering from late April to early May. Following the flowering season, flowers give way to brown, dehiscent seed capsules which are less ornamental.

Common Pearlbush is valued for its showy spring flowers and is often used in garden borders, as a specimen plant, or in mass plantings for a dramatic effect. It thrives in full sun to part shade and prefers well-drained soils. While it is relatively low-maintenance, occasional pruning after flowering helps maintain its shape and promotes vigorous growth. Gardeners should be aware that Exochorda racemosa can spread outside its native range in some regions; check local guidelines before planting.CC BY-SA 4.0

Plant Description

  • Plant Type: Shrub
  • Height: 10-15 feet
  • Width: 10-15 feet
  • Growth Rate: Moderate
  • Flower Color: White
  • Flowering Season: Spring
  • Leaf Retention: Deciduous

Growth Requirements

  • Sun: Full Sun, Part Shade
  • Drainage: Medium

Common Uses

Border Plant, Low Maintenance, Showy Flowers, Street Planting

Natural Habitat

native to open woodlands and forest edges in Asia-Temperate regions, particularly in China

Other Names

Common Names: Pearlbush, Common Pearlbush, Exochorde En Grappes, Pärlbuske, Bai Jian Mei

Scientific Names: Exochorda racemosa, Exochorda korolkowii, Exochorda racemosa subsp. racemosa, Exochorda grandiflora, Exochorda alberti, Exochorda tianschanica, Exochorda racemosa var. dentata, Spiraea grandiflora, Albertia simplicifolia

GBIF Accepted Name: Exochorda racemosa (Lindl.) Rehder