Crape myrtle Natchez
Lagerstroemia x Natchez
Lythraceae · broadleaf deciduous tree · introduced
Last updated
Quick Facts
Height
20-30 ft
Spread
15-25 ft
Growth Rate
Fast
Light
Full Sun
Soil
Well Drained
Water
Moderate
Hardiness
Zones 7a–9b
Bloom Time
July-September
Origin
Hybrid of Asian species, bred at U.S. National Arboretum
Phenological Calendar
As of May 24, 2026, Puget Sound stations range from 2172.5 to 2394 GDD₃₂. Crape myrtle Natchez typically reaches beginning of flowering at 6303 GDD₃₂, predicted around Sep 29.
Regional Season Tracker
GDD₃₂ accumulation across 7 Puget Sound stations · as of May 24, 2026| Station | GDD₃₂ | Current Stage | Next | To Go |
|---|---|---|---|---|
| Issaquah / East King | 2,394 | Pre-season | Beginning of flowering | 3,909 |
| Kent / Auburn | 2,373 | Pre-season | Beginning of flowering | 3,930 |
| Seattle / UW | 2,332 | Pre-season | Beginning of flowering | 3,971 |
| Olympia / Tumwater | 2,295 | Pre-season | Beginning of flowering | 4,008 |
| Tacoma / Puyallup | 2,259 | Pre-season | Beginning of flowering | 4,044 |
| Bellingham / Whatcom | 2,256 | Pre-season | Beginning of flowering | 4,048 |
| Sequim / Rain Shadow | 2,173 | Pre-season | Beginning of flowering | 4,131 |
View full calendar (2 stages)
| Stage | GDD32 | Typical Window |
|---|---|---|
| ○ Beginning of flowering BBCH 61 NEXT | 6303 | — est. Sep 29 (avg) |
| Full bloom BBCH 65 | 7328 | — |
Source: UMD phenology catalog (UMD: extension.umd.edu) About GDD₃₂ →
Season tracker for Kent / Auburn as of May 24, 2026. Predicted dates use 16-day weather forecast through Jun 9, 2026, then climate normals.
Data Maturity Baseline Extension data. Expert review underway.