White enkianthus
Enkianthus perulatus
Ericaceae · [VERIFY] · introduced
Last updated
Compact, slow-growing deciduous shrub to 6 feet with urn-shaped, snowy white flowers in drooping clusters blooming in April to early May. Young shoots are shiny red; serrate leaves turn shades of red in autumn.
Requires acidic, moist, organically rich, peaty soil with good drainage; blooms on previous year's growth, so prune immediately after flowering. Excellent paired with rhododendrons; ideal for small gardens, specimen plantings, or shrub borders.
Quick Facts
Phenological Calendar
As of May 24, 2026, Puget Sound stations range from 2172.5 to 2394 GDD₃₂. White enkianthus has passed full bloom (918 GDD₃₂).
Regional Season Tracker
GDD₃₂ accumulation across 7 Puget Sound stations · as of May 24, 2026| Station | GDD₃₂ | Current Stage | Next | To Go |
|---|---|---|---|---|
| Issaquah / East King | 2,394 | Full bloom | — | — |
| Kent / Auburn | 2,373 | Full bloom | — | — |
| Seattle / UW | 2,332 | Full bloom | — | — |
| Olympia / Tumwater | 2,295 | Full bloom | — | — |
| Tacoma / Puyallup | 2,259 | Full bloom | — | — |
| Bellingham / Whatcom | 2,256 | Full bloom | — | — |
| Sequim / Rain Shadow | 2,173 | Full bloom | — | — |
View full calendar (1 stages)
| Stage | GDD32 | Typical Window |
|---|---|---|
| ● Full bloom BBCH 65 NOW | 918 | — |
Source: UMD phenology catalog (UMD: extension.umd.edu) About GDD₃₂ →
Season tracker for Kent / Auburn as of May 24, 2026. Predicted dates use 16-day weather forecast through Jun 9, 2026, then climate normals.