Arrowwood Viburnum
'Full bloom'Viburnum dentatum
Adoxaceae, Caprifoliaceae · broadleaf deciduous shrub · native
Last updated
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
Watch for this season
Powdery MildewModerate
Spring Emergence / Primary Infection
Root weevilModerate
Adult Emergence & Foliar Feeding
Phenological Calendar
As of May 14, 2026, Puget Sound stations range from 1926.1 to 2121.1 GDD₃₂. Arrowwood Viburnum has passed 'full bloom' (2108 GDD₃₂).
Regional Season Tracker
GDD₃₂ accumulation across 7 Puget Sound stations · as of May 14, 2026| Station | GDD₃₂ | Current Stage | Next | To Go |
|---|---|---|---|---|
| Issaquah / East King | 2,121 | 'Full bloom' | — | — |
| Kent / Auburn | 2,113 | 'Full bloom' | — | — |
| Seattle / UW | 2,085 | 'First bloom' | 'Full bloom' | 23 |
| Olympia / Tumwater | 2,047 | 'First bloom' | 'Full bloom' | 61 |
| Tacoma / Puyallup | 2,016 | 'First bloom' | 'Full bloom' | 92 |
| Bellingham / Whatcom | 1,994 | 'First bloom' | 'Full bloom' | 114 |
| Sequim / Rain Shadow | 1,926 | 'First bloom' | 'Full bloom' | 182 |
| Stage | GDD32 | Typical Window |
|---|---|---|
| 'First bloom' BBCH '61' | 1815 | '' |
| ● 'Full bloom' BBCH '65' NOW | 2108 | '' |
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 14, 2026. Predicted dates use 16-day weather forecast through May 30, 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
Data Maturity Structured Multiple sources. Expert review underway.