Three Flowered Maple
Acer triflorum
Sapindaceae, Aceraceae · broadleaf deciduous tree · introduced
Last updated
Plant Profile
Size & Form
Height
20–30 ft
Spread
25-30 ft
Growth Rate
Slow
Site Requirements
Light
Full Sun to Part Shade
Soil Drainage
Well Drained To Moist
Soil pH
acidic
Water
Moderate
Drought Tolerance
Moderate to high
Hardiness
Zones 4–5
Ornamental Interest
Bloom Time
April
Fall Color
Orange, scarlet, yellow
Origin
the hill of northern China and Korea
Watch for this season
Powdery MildewHigh
Active Conidial Spread
Root Colonization Period
Wood DecayHigh
Wound Infection Window
AphidHigh
Peak Population & Dispersal
+ 9 more — see full disease and pest lists below
Diseases: Regionally Documented (17)
Verticillium dahliae Verticillium Wilt Rhytisma punctatum Tar Spots Multiple obligate biotrophic fungi (Erysiphales: Erysipha... Powdery Mildew Phyllosticta spp. Phyllosticta Leaf Spot Neonectria ditissima Nectria Canker Multiple possible causes (see Disease Cycle section) Fasciation Bacterial Leaf Spot and Dieback Discula destructiva (dogwood), Kabatiella and Discula spp... Anthracnose Kretzschmaria deusta Brittle Decay Multiple Basidiomycete fungi cause wood decay in trees Wood Decay Armillaria spp. — primarily A Armillaria Root Rot Bigleaf Maple Decline (Bigleaf Maple Dieback) Phytophthora spp. (P Bleeding Canker Taphrina spp. Leaf Blister Symptom category — not a single disease Leaf Spot Phytophthora spp. (P Phytophthora Root Rot Cryptostroma corticale Sooty Bark Disease
Pests: Regionally Documented (13)
Vasates quadripedes Maple Bladdergall Mite Pulvinaria innumerabilis Cottony maple scale Aphidoidea Aphid Boisea rubrolineata Western boxelder bug Prionoxystus robiniae Carpenterworm Megachile spp. Leafcutting bee Proteoteras aesculana Maple tip moth (Maple twig borer) Lepidosaphes ulmi Oystershell scale Otiorhynchus spp. Root weevil Edwardsiana rosae Rose leafhopper Leucoma salicis Satin moth Frankliniella occidentalis Western flower thrips Proteoteras moffatiana Maple shoot moth
Data Maturity Structured Multiple sources. Expert review underway.