Rock Spiraea

Holodiscus dumosus

Physical Characteristics

Holodiscus dumosus is a deciduous Shrub growing to 4.5 m (14ft 9in). See above for USDA hardiness. It is hardy to UK zone 4. It is in flower in July, and the seeds ripen in October. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects. Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers dry or moist soil.

Distribution

Western N. America - Wyoming to Texas, Arizona and New Mexico.

Habitats

Woodland Garden Sunny Edge; Dappled Shade; Shady Edge;

Edible Uses

Edible Parts: Fruit Edible Uses: Tea Fruit - raw or cooked[105, 177]. Small and dry[161]. The leaves can be steeped in water to make a tea[257].

Medicinal Uses

Antiseptic Astringent Stomachic A decoction of the root has been used in the treatment of diarrhoea and stomach disorders[257]. A decoction of the stems has been used in the treatment of colds and stomach disorders[257]. A decoction of the flowers, leaves and stems has been used as an antiseptic wash[257].

Known Hazards

None known