Cough Bush

(Cassinia quinquefaria)

Cough Bush (Cassinia quinquefaria)

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Climate Requirements

Precipitation 27" - 36"
High Temp. 78°F - 87°F
Low Temp. 33°F - 40°F

Summary

Cassinia quinquefaria, commonly known as Cough Bush or Dusty Miller, is a deciduous shrub native to a variety of habitats including grasslands, open woodlands, and forest margins in eastern Australia and Victoria. It typically grows to a height of 1–3 m (3 ft 3 in – 9 ft 10 in) and is characterized by its narrow, linear leaves that are covered with glandular hairs, giving them a sticky texture. The foliage often has a silvery appearance due to the dense covering of hairs. Creamy-white flowers are borne in dense panicles and bloom mainly in summer and autumn, providing a showy display that can attract pollinators.

Cassinia quinquefaria is valued for its drought tolerance and ability to thrive in a range of soil types, making it a versatile choice for low-maintenance gardens, native plantings, and restoration projects. It is also used as a filler in mixed borders and can be pruned to form a dense hedge. This shrub prefers full sun to part shade. It is adaptable to soils with medium drainage but can tolerate periods of dryness.CC BY-SA 4.0

Plant Description

  • Plant Type: Herb
  • Height: 4-6 feet
  • Width: 4-6 feet
  • Growth Rate: Moderate
  • Flower Color: Cream
  • Flowering Season: Summer
  • Leaf Retention: Deciduous

Growth Requirements

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

Common Uses

Bee Garden, Border Plant, Butterfly Garden, Low Maintenance

Natural Habitat

native to a variety of habitats including grasslands, open woodlands, and forest margins in eastern Australia and Victoria

Other Names

Common Names: Rosemary Cassinia

Scientific Names: Cassinia quinquefaria, Cassinia hygrophila, Achromolaena viscosa

GBIF Accepted Name: Cassinia quinquefaria R.Br.