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Oxeye daisy

Leucanthemum vulgare

Asteraceae · perennial · introduced

Last updated

Data Coverage 3 of 6 dimensions
Site Data
Threats
Cultivars
Phenology
GDD Thresholds
Puget Sound

Quick Facts

Light
Full Sun to Part Shade
Soil
Well Drained
Hardiness
Zone Zones 3–8
Bloom Time
spring, summer
Origin
Asia and Europe

Phenological Calendar

As of April 3, 2026, Puget Sound stations range from 1070 to 1180.6 GDD₃₂. Oxeye daisy typically reaches 'first bloom' at 2860 GDD₃₂, predicted around Jun 18.

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' 1,679
Seattle / UW 1,171 Pre-season 'First bloom' 1,689
Kent / Auburn 1,111 Pre-season 'First bloom' 1,749
Olympia / Tumwater 1,106 Pre-season 'First bloom' 1,754
Bellingham / Whatcom 1,101 Pre-season 'First bloom' 1,759
Tacoma / Puyallup 1,075 Pre-season 'First bloom' 1,785
Sequim / Rain Shadow 1,070 Pre-season 'First bloom' 1,790
Stage GDD32 Typical Window
'First bloom' BBCH '61' NEXT 2860 '' est. Jun 18 (avg)

GDD = Growing Degree Days (base 32°F, Jan 1 start). Why base 32? GDD₃₂ thresholds from USA National Phenology Network citizen science observations (WA+OR). Season tracker for Kent / Auburn as of Apr 3, 2026. Predicted dates use 16-day weather forecast through Apr 19, 2026, then climate normals.