Medlar
Crataegus germanica
Rosaceae · broadleaf deciduous tree · introduced
Last updated
Quick Facts
Height
16 ft
Spread
19 ft
Growth Rate
Medium
Light
Full Sun
Soil
Moist
Water
Moderate
Hardiness
Zone Zones 4–5
Fall Color
Red
Origin
TEMPERATE ASIA: Armenia, Azerbaijan
Watch for this season
Fire BlightHigh
Bloom Infection Window
RustHigh
Aecial Stage (Alternate Host)
Scale insectHigh
Crawler Emergence
Tent caterpillarHigh
Larval Feeding
+ 3 more — see full disease and pest lists below
Diseases: Regionally Documented (6)
Venturia spp. — multiple host-specific species: V Scab Multiple genera (Melampsoridium, Thekopsora, Naohidemyces... Rust Symptom category — not a single disease Leaf Spot Erwinia amylovora Fire Blight Symptom category — not a single disease Canker Multiple obligate biotrophic fungi (Erysiphales: Erysipha... Powdery Mildew
Pests: Regionally Documented (10)
Tetranychidae Spider mite Coccoidea Scale insect Caliroa cerasi Pear slug Dysaphis crataegi Hawthorn aphid Choreutis pariana Apple-and-thorn skeletonizer Acanthococcus azaleae Azalea bark scale Enarmonia formosana Cherry bark tortrix Hyphantria cunea Fall webworm Tortricidae Leafroller Malacosoma spp. Tent caterpillar
Data Maturity Structured Multiple sources. Expert review underway.