Cliffrose

Purshia stansburiana

Rosaceae · broadleaf deciduous shrub · introduced

Last updated March 8, 2026

Quick Facts

Height

10 ft

Growth Rate

Moderate

Light

Full Sun

Soil

Well Drained

Water

Low

Hardiness

Zones 4a–8b

Bloom Time

mid spring

Origin

southern Idaho, southwestern Colorado

View full calendar (5 stages)

Stage	Typical Window	What to Look For
New growth flush BBCH 11	May 15-Jun 15	Lighter-colored new growth visible at branch tips
Bloom start BBCH 61	Apr 1-Apr 30	First open flowers visible; flowers white
Bloom end / petal fall BBCH 69	Apr 15-May 15	Last petals falling; flower structures fading
Fruit/seed development BBCH 71	Jun 1-Aug 31	Fruit or seed structures forming; fruit color: brown
Fruit/seed maturity BBCH 85	Sep 1-Nov 30	Fruit fully colored and ripened; seed dispersal may begin

Data Maturity

Baseline Extension data. Expert review underway.