Mountain Spray
Holodiscus dumosus
Rosaceae · broadleaf deciduous shrub · native
Last updated
Data Maturity Baseline
This profile contains verified botanical data. Regional field notes and expert review are in progress.
Quick Facts
Height
5–20 ft
Growth Rate
Moderate
Light
Full Sun
Soil
Well Drained
Water
Low
Hardiness
Zone Zones 3a–8b
Bloom Time
Aug 1-Aug 31
Origin
extends from central Idaho south to southern Arizona and the Big Bend region of Texas and east to the edge of the plains grasslands in east-central Wyoming
Phenological Calendar
| Stage | Typical Window |
|---|---|
| Bud break BBCH 07 | May 15-Jun 15 |
| Leaf emergence BBCH 11 | Jun 1-Jul 1 |
| Bloom start BBCH 61 | Aug 1-Aug 31 |
| Bloom end / petal fall BBCH 69 | Aug 15-Sep 15 |
| Fruit/seed development BBCH 71 | Jun 1-Aug 31 |
| Fruit/seed maturity BBCH 85 | Sep 1-Nov 30 |
| Leaf drop BBCH 93 | Oct 15-Nov 30 |
| Dormancy BBCH 97 | Nov 15-Feb 28 |