Snowdrift Crabapple
Malus snowdrift
Rosaceae · broadleaf deciduous tree · introduced
Last updated
Data Coverage 4 of 6 dimensions
Quick Facts
Height
20 ft
Spread
20 ft (JFS; MSU E-2177 confirms 20')
Light
Full Sun
Hardiness
Zone Zones 3a–8b
Phenological Calendar
As of April 3, 2026, Puget Sound stations range from 1070 to 1180.6 GDD₃₂. Snowdrift Crabapple has passed 'full bloom' (1008 GDD₃₂).
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 | 'Full bloom' | — | — |
| Seattle / UW | 1,171 | 'Full bloom' | — | — |
| Kent / Auburn | 1,111 | 'Full bloom' | — | — |
| Olympia / Tumwater | 1,106 | 'Full bloom' | — | — |
| Bellingham / Whatcom | 1,101 | 'Full bloom' | — | — |
| Tacoma / Puyallup | 1,075 | 'Full bloom' | — | — |
| Sequim / Rain Shadow | 1,070 | 'Full bloom' | — | — |
| Stage | GDD32 | Typical Window |
|---|---|---|
| 'First bloom' BBCH '61' | 870 | '' |
| ● 'Full bloom' BBCH '65' NOW | 1008 | '' |
Range: 611–758 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 (36)
Blueberry mosaic virus and related viruses Virus Diseases Venturia inaequalis Scab Podosphaera aphanis var. aphanis Powdery Mildew Phytophthora spp Phytophthora fruit rot Cryptosporiopsis perennans Perennial Canker (Bull's-eye Rot) Nectria cinnabarina Nectria Twig Blight (Coral Spot) Neonectria ditissima Nectria Canker (European Canker) Fruit russet Fruit Russeting Erwinia amylovora Fire Blight Cytospora canker Cytospora Canker Rhizobium radiobacter (formerly Agrobacterium tumefaciens) Crown Gall Phytophthora cactorum (primary), P Crown and Collar Rot Non-pathogenic (genetic/physiological) Burrknot Non-pathogenic (calcium deficiency) Bitter Pit Neofabraea spp. (N Anthracnose and Bull's-eye rot Cryptosporiopsis curvispora Anthracnose (Bull's-eye Rot) Apple mosaic Apple Mosaic Apple proliferation Apple Proliferation Cryptosporiopsis curvispora Bull's-eye Rot Apple dead Dead Spur Diplodia seriata and D Diplodia Canker Apple flat Flat Apple Disease Phytophthora cactorum Fruit Rot, Phytophthora This disease Green Crinkle Disease Three viruses Latent Virus Diseases Several different Moldy Core and Core Rots Non-pathogenic (physiological) Necrotic Leaf Blotch (Golden Leaf Drop) Isolation attempts Necrotic Leaf Spot Pythium spp., Phytophthora spp., Rhizoctonia spp., Fusari... Replant Disease These diseases Rubbery Wood and Flat Limb Thekopsora minima and Naohidemyces vaccinii Rust These diseases Scar Skin and Dapple Apple Botrytis cinerea, Penicillium spp., and others; abiotic d... Storage Problems Tomato ringspot Union Necrosis and Decline Phacidiopycnis washingtonensis Twig Dieback and Canker Phytophthora syringae (primary), P Stem Rot
Pests (23)
Phyllonorycter blancardella Tentiform leafminer Malacosoma spp. Tent caterpillar Tetranychidae Spider mite Diaspidiotus perniciosus San Jose scale Parthenolecanium spp. Lecanium scale Tortricidae Leafroller Cicadellidae Leafhopper Archips argyrospila Fruittree leafroller Forficula auricularia Earwig Noctuidae Cutworms and Armyworms Cydia pomonella Codling moth Halyomorpha halys Brown marmorated stink bug Choreutis pariana Apple-and-thorn skeletonizer Rhagoletis pomonella Apple maggot Yponomeuta malinellus Apple ermine moth Aphidoidea Aphid Leafroller and Leaftier Enarmonia formosana Cherry bark tortrix Hyphantria cunea Fall webworm Lepidosaphes ulmi Oystershell scale Edwardsiana rosae Rose leafhopper Nematode, Dagger Nematode, Root-lesion