Medlar

Crataegus germanica

Rosaceae · broadleaf deciduous tree · introduced

Last updated March 9, 2026

Data Coverage 2 of 6 dimensions

Site Data

Threats

Cultivars

Phenology

GDD Thresholds

Puget Sound

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

Diseases (6)

Venturia inaequalis Scab Thekopsora minima and Naohidemyces vaccinii Rust Symptom category — not a single disease Leaf Spot Erwinia amylovora Fire Blight Symptom category — not a single disease Canker Podosphaera aphanis var. aphanis Powdery Mildew

Pests (12)

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 Pear sawfly (pear slug) Malacosoma spp. Tent caterpillar Pear sawfly