Oxeye daisy
Leucanthemum vulgare
Asteraceae · perennial · introduced
Last updated
Data Maturity Baseline
This profile contains verified botanical data. Regional field notes and expert review are in progress.
Quick Facts
Height
1-3 ft
Spread
1-2 ft (spreads by rhizomes)
Light
Full Sun to Part Shade
Soil
Well Drained
Water
Low
Hardiness
Zone Zones 3–8
Bloom Time
spring, summer
Origin
Asia and Europe
Phenological Calendar
As of April 23, 2026, Puget Sound stations range from 1434.4 to 1592.7 GDD₃₂. Oxeye daisy typically reaches 'first bloom' at 2860 GDD₃₂, predicted around Jun 17.
Regional Season Tracker
GDD₃₂ accumulation across 7 Puget Sound stations · as of Apr 23, 2026| Station | GDD₃₂ | Current Stage | Next | To Go |
|---|---|---|---|---|
| Issaquah / East King | 1,593 | Pre-season | 'First bloom' | 1,267 |
| Seattle / UW | 1,554 | Pre-season | 'First bloom' | 1,306 |
| Kent / Auburn | 1,537 | Pre-season | 'First bloom' | 1,323 |
| Olympia / Tumwater | 1,505 | Pre-season | 'First bloom' | 1,356 |
| Bellingham / Whatcom | 1,483 | Pre-season | 'First bloom' | 1,377 |
| Tacoma / Puyallup | 1,472 | Pre-season | 'First bloom' | 1,388 |
| Sequim / Rain Shadow | 1,434 | Pre-season | 'First bloom' | 1,426 |
| Stage | GDD32 | Typical Window |
|---|---|---|
| ○ 'First bloom' BBCH '61' NEXT | 2860 | '' est. Jun 17 (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 23, 2026. Predicted dates use 16-day weather forecast through May 10, 2026, then climate normals.
Diseases (2)
Pests (2)
Aphids Leaf Miners