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

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