Arrowwood Viburnum
Near 'Full bloom'Viburnum dentatum
Adoxaceae, Caprifoliaceae · broadleaf deciduous shrub · native
Last updated
Data Maturity Structured Multiple sources. Expert review underway.
Watch for this season
Powdery MildewModerate
Spring Emergence / Primary Infection
Quick Facts
Height
15 ft
Growth Rate
Fast
Light
Full Sun to Part Shade
Soil
Moist
Water
Moderate
Hardiness
Zone Zones 3a–8b
Bloom Time
May to June
Fall Color
Red, russet, yellow
Origin
from New Brunswick to Minnesota and south to Georgia
Phenological Calendar
As of May 9, 2026, Puget Sound stations range from 1800.9 to 1983.6 GDD₃₂. Arrowwood Viburnum has reached 'first bloom' (1815 GDD₃₂) and is approaching 'full bloom', predicted around May 16.
Regional Season Tracker
GDD₃₂ accumulation across 7 Puget Sound stations · as of May 9, 2026| Station | GDD₃₂ | Current Stage | Next | To Go |
|---|---|---|---|---|
| Issaquah / East King | 1,984 | 'First bloom' | 'Full bloom' | 124 |
| Kent / Auburn | 1,972 | 'First bloom' | 'Full bloom' | 136 |
| Seattle / UW | 1,954 | 'First bloom' | 'Full bloom' | 154 |
| Olympia / Tumwater | 1,913 | 'First bloom' | 'Full bloom' | 195 |
| Tacoma / Puyallup | 1,881 | 'First bloom' | 'Full bloom' | 227 |
| Bellingham / Whatcom | 1,863 | 'First bloom' | 'Full bloom' | 245 |
| Sequim / Rain Shadow | 1,801 | Pre-season | 'First bloom' | 14 |
| Stage | GDD32 | Typical Window |
|---|---|---|
| ● 'First bloom' BBCH '61' NOW | 1815 | '' |
| ○ 'Full bloom' BBCH '65' NEXT | 2108 | '' est. May 16 (forecast) |
Range: 1435–1648 GDD₃₂
(6yr)
Source: 'Master catalog (OSU), converted GDD50->GDD32 via Kent bloom-date mapping' About GDD₃₂ →
Season tracker for Kent / Auburn as of May 9, 2026. Predicted dates use 16-day weather forecast through May 26, 2026, then climate normals.
Diseases — Regionally Documented (7)
Pests — Regionally Documented (3)
Cultivars (1)
'Chicago Lustre'
Common name: Chicago Lustre Arrowwood Viburnum; Mature height: 10–12 ft
Hardy to USDA Zone 3