Three Flowered Maple
Acer triflorum
Sapindaceae, Aceraceae · broadleaf · introduced
Quick Facts
Height
20–30 ft
Light
Full Sun to Part Shade
Hardiness
Zone Zones 4–5
Bloom Time
April
Fall Color
Orange, scarlet, yellow
Origin
the hill of northern China and Korea
Diseases (19)
Verticillium dahliae Verticillium Wilt
Rhytisma punctatum Tar Spots
Podosphaera aphanis var. aphanis Powdery Mildew
Phyllosticta spp. Phyllosticta Leaf Spot
Neonectria ditissima Nectria Canker
abiotic (drought, heat stress) or bacterial (Xylella fast... Leaf Scorch
Multiple possible causes (see Disease Cycle section) Fasciation
Pseudomonas syringae Bacterial Leaf Spot and Dieback
Various species including Colletotrichum acutatum, C Anthracnose
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
Various fungi (Phyllosticta spp., Septoria spp., Cercospo... Leaf Spot
Phytophthora spp. (P Phytophthora Root Rot
Cryptostroma corticale Sooty Bark Disease
Pests (13)
Vasates quadripedes Maple Bladdergall Mite
Pulvinaria innumerabilis Cottony maple scale
Cinara occidentalis, Cinara abietis Aphid
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