Firebird Crabapple
Full bloomMalus sargentii 'Select A'
Rosaceae · broadleaf deciduous tree · introduced
Last updated
Quick Facts
Bloom Infection Window
Spring Emergence / Primary Infection
Pupation
Phenological Calendar
As of May 13, 2026, Puget Sound stations range from 1906.2 to 2098.2 GDD₃₂. Firebird Crabapple has passed full bloom (1305 GDD₃₂).
Regional Season Tracker
GDD₃₂ accumulation across 7 Puget Sound stations · as of May 13, 2026| Station | GDD₃₂ | Current Stage | Next | To Go |
|---|---|---|---|---|
| Issaquah / East King | 2,098 | Full bloom | — | — |
| Kent / Auburn | 2,089 | Full bloom | — | — |
| Seattle / UW | 2,063 | Full bloom | — | — |
| Olympia / Tumwater | 2,025 | Full bloom | — | — |
| Tacoma / Puyallup | 1,993 | Full bloom | — | — |
| Bellingham / Whatcom | 1,972 | Full bloom | — | — |
| Sequim / Rain Shadow | 1,906 | Full bloom | — | — |
| Stage | GDD32 | Typical Window |
|---|---|---|
| Beginning of flowering BBCH 61 | 990 | Late April (Puget Sound) |
| ● Full bloom BBCH 65 NOW | 1305 | Late April to early May (Puget Sound) |
Source: HortGuide regional interpretation based on Morton Arboretum bloom timing About GDD₃₂ →
Season tracker for Kent / Auburn as of May 13, 2026. Predicted dates use 16-day weather forecast through May 29, 2026, then climate normals.
Diseases: Regionally Documented (3)
Diseases: Other Associations (1)
Pests: Regionally Documented (3)
Firebird® occupies a useful middle ground in the dwarf crabapple category for Puget Sound landscapes — larger than the smallest dwarfs ('Lollipop' at 10 ft, 'Sargent Tina' at 5-6 ft) but still small enough for residential yards and small-space plantings. The 8 × 10 ft mature size and rounded spreading form suits naturalistic plantings where 'Lollipop's strictly formal globe and 'Sargent Tina's top-grafted lollipop-shape would look out of place. The cultivar's outstanding disease resistance — Excellent on all four major diseases per JFS, matching 'Adirondack' for the best disease profile in commerce — makes it the disease-resistance default for dwarf-crabapple selection in maritime PNW. Combined with the most persistent natural-dwarf fruit display, Firebird is the strongest pick when both reliable disease resistance AND winter fruit display are priorities. Cross-reference decision tree for dwarf crabapples in PNW: 'Sargent Tina' (5-6 ft, top-grafted) for ultra-tight spaces and container culture; 'Lollipop' (8-10 ft, top-grafted globe form) for formal hardscape compositions; 'Firebird' (8 × 10 ft natural form) for naturalistic plantings where disease resistance and persistent fruit are priorities; 'Coralburst' (15 × 15 ft, top-grafted) for the next size up. Sourcing note: Firebird is most readily available through J. Frank Schmidt wholesale and design-grade nurseries in the region.
— Chris Welch, ISA Certified Arborist