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Small-leaved Creambush

Holodiscus microphyllus

Rosaceae · broadleaf · native

You spot Rockspirea on dry, rocky slopes and scrub throughout the interior Pacific Northwest, identified by its tiny, lobed leaves and delicate white flower plumes in early summer. This native shrub's airy form and persistent seed heads provide textural interest through seasons.

Rockspirea reaches 3-4 feet tall in full sun with very low water needs and outstanding drought tolerance (zones 5a-8b). It thrives on poor, rocky, or sandy well-drained soils and adapts to poor fertility. Slow-growing and long-lived, it suits rock gardens and dry landscape settings. No serious pest or disease issues documented for this species. Minimal maintenance required; established plants need no supplemental water or intervention once rooted deeply.

Quick Facts

Height
3 ft
Light
Full Sun to Part Shade
Hardiness
Zone Zones 4a–8b
Origin
Pacific Northwest native

Diseases (1)