Hawthorn
Acer crataegifolium
Sapindaceae, Aceraceae · broadleaf · introduced
Quick Facts
Height
30 ft
Spread
32 ft
Light
Part Shade
Soil
Moist
Water
Moderate
Hardiness
Zone Zones 6a–8b
Origin
moist regions of central and southern Japan
Diseases (23)
Cytospora spp. (synonyms: Leucostoma, Valsa) Canker
Erwinia amylovora Fire Blight
Various fungi (Phyllosticta spp., Septoria spp., Cercospo... Leaf Spot
Podosphaera aphanis var. aphanis Powdery Mildew
Thekopsora minima and Naohidemyces vaccinii Rust
Venturia inaequalis Scab
Kretzschmaria deusta Brittle Decay
Limb and Wood Decay
Armillaria ostoyae Armillaria Root Rot
Bigleaf Maple Decline (Bigleaf Maple Dieback)
Phytophthora spp. (P Bleeding Canker
Various fungi (Phoma spp., Phomopsis spp., Cytospora spp.... Branch Canker
Taphrina spp. Leaf Blister
Phytophthora spp. (P Phytophthora Root Rot
Cryptostroma corticale Sooty Bark Disease
Various species including Colletotrichum acutatum, C Anthracnose
Pseudomonas syringae Bacterial Leaf Spot and Dieback
Multiple possible causes (see Disease Cycle section) Fasciation
abiotic (drought, heat stress) or bacterial (Xylella fast... Leaf Scorch
Neonectria ditissima Nectria Canker
Phyllosticta spp. Phyllosticta Leaf Spot
Rhytisma punctatum Tar Spots
Verticillium dahliae Verticillium Wilt
Pests (24)
Apple-and-thorn skeletonizer
Acanthococcus azaleae Azalea bark scale
Enarmonia formosana Cherry bark tortrix
Fall webworm
Hawthorn aphid
Tortricidae Leafroller
Caliroa cerasi Pear sawfly (pear slug)
Pear slug
Scale insect
Tetranychidae Spider mite
Malacosoma spp. Tent caterpillar
Cinara occidentalis, Cinara abietis Aphid
Pulvinaria innumerabilis Cottony maple scale
Vasates quadripedes Maple Bladdergall Mite
Western boxelder bug
Carpenterworm
Leafcutting bee
Maple tip moth (Maple twig borer)
Lepidosaphes ulmi Oystershell scale
Cylindrocopturus furnissi Root weevil
Rose leafhopper
Satin moth
Western flower thrips
Maple shoot moth
Cultivars (1)
Veitchii
Common name: Veitch Hawthorn Maple; Mature height: 10–13 ft