White Flowered Redbud
Cercis canadensis var. alba
Fabaceae · broadleaf deciduous tree · introduced
Last updated
Quick Facts
Height
12 ft
Spread
25-35 ft
Growth Rate
Fast
Light
Part Shade
Soil
Moist
Water
Low
Hardiness
Zone Zones 6b–9b
Bloom Time
April
Fall Color
Yellow
Watch for this season
Root Colonization Period
Phenological Calendar
As of May 13, 2026, Puget Sound stations range from 1906.2 to 2098.2 GDD₃₂. White Flowered Redbud has passed 'fall color / leaf senescence' (1750 GDD₃₂).
Regional Season Tracker
GDD₃₂ accumulation across 7 Puget Sound stations · as of May 13, 2026| Station | GDD₃₂ | Current Stage | Next | To Go |
|---|---|---|---|---|
| Issaquah / East King | 2,098 | 'Fall color / leaf senescence' | — | — |
| Kent / Auburn | 2,089 | 'Fall color / leaf senescence' | — | — |
| Seattle / UW | 2,063 | 'Fall color / leaf senescence' | — | — |
| Olympia / Tumwater | 2,025 | 'Fall color / leaf senescence' | — | — |
| Tacoma / Puyallup | 1,993 | 'Fall color / leaf senescence' | — | — |
| Bellingham / Whatcom | 1,972 | 'Fall color / leaf senescence' | — | — |
| Sequim / Rain Shadow | 1,906 | 'Fall color / leaf senescence' | — | — |
| Stage | GDD32 | Typical Window |
|---|---|---|
| 'Flower buds visible' BBCH '51' | 835 | '' |
| 'First bloom' BBCH '61' | 1249 | '' |
| 'Bud break' BBCH '07' | 1313 | '' |
| 'Leaf emergence' BBCH '11' | 1554 | '' |
| ● 'Fall color / leaf senescence' BBCH '93' NOW | 1750 | '' |
Source: 'NPN citizen science observations (WA+OR), n=12, median. services.usanpn.org' About GDD₃₂ →
Season tracker for Kent / Auburn as of May 13, 2026. Predicted dates use 16-day weather forecast through May 29, 2026, then climate normals.
Diseases: Regionally Documented (2)
Data Maturity Baseline Extension data. Expert review underway.