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Pagoda Dogwood

Cornus alternifolia

Cornaceae · broadleaf deciduous tree · native

Last updated

Data Coverage 4 of 6 dimensions
Site Data
Threats
Cultivars
Phenology
GDD Thresholds
Puget Sound

Quick Facts

Height
15–25 ft
Growth Rate
Moderate
Light
Part Shade
Soil
Well Drained
Water
Moderate
Hardiness
Zone Zones 3a–8b
Bloom Time
May to June
Fall Color
Red
Origin
from New Brunswick east to Minnesota and south to Georgia

Phenological Calendar

As of April 3, 2026, Puget Sound stations range from 1070 to 1180.6 GDD₃₂. Pagoda Dogwood typically reaches 'first bloom' at 1270 GDD₃₂, predicted around Apr 11.

Regional Season Tracker

GDD₃₂ accumulation across 7 Puget Sound stations · as of Apr 3, 2026
Station GDD₃₂ Current Stage Next To Go
Issaquah / East King 1,181 Pre-season 'First bloom' 89
Seattle / UW 1,171 Pre-season 'First bloom' 99
Kent / Auburn 1,111 Pre-season 'First bloom' 159
Olympia / Tumwater 1,106 Pre-season 'First bloom' 164
Bellingham / Whatcom 1,101 Pre-season 'First bloom' 169
Tacoma / Puyallup 1,075 Pre-season 'First bloom' 195
Sequim / Rain Shadow 1,070 Pre-season 'First bloom' 200
Stage GDD32 Typical Window
○ 'First bloom' BBCH '61' NEXT 1270 '' est. Apr 11 (forecast)
'Full bloom' BBCH '65' 1490 '' est. Apr 22 (avg)
Regional estimate
Range: 937–1136 GDD₃₂ (6yr)

GDD = Growing Degree Days (base 32°F, Jan 1 start). Why base 32? Hover over GDD values for source details. Season tracker for Kent / Auburn as of Apr 3, 2026. Predicted dates use 16-day weather forecast through Apr 19, 2026, then climate normals.

Diseases (9)

Pests (6)