Striped Maple

Acer pensylvanicum

Sapindaceae, Aceraceae · broadleaf deciduous tree · native

Last updated March 8, 2026

Data Coverage 3 of 6 dimensions

Site Data

Threats

Cultivars

Phenology

GDD Thresholds

Puget Sound

Quick Facts

Height

15–20 ft

Growth Rate

Slow

Light

Part Shade

Soil

Well Drained

Water

Low

Hardiness

Zone Zones 3a–8b

Bloom Time

April to May

Fall Color

Golden, yellow

Origin

from Nova Scotia to Minnesota and south to Georgia

Phenological Calendar

Stage	Typical Window	What to Look For
Bud break BBCH 07	Feb 15-Mar 15	Buds swelling and beginning to open; first green tissue visible
Leaf emergence BBCH 11	Mar 1-Apr 1	First leaves fully unfurled on new growth
Bloom start BBCH 61	May 1-May 31	First open flowers visible; flowers yellow
Bloom end / petal fall BBCH 69	May 15-Jun 15	Last petals falling; flower structures fading
Fruit/seed development BBCH 71	Jun 1-Aug 31	Fruit or seed structures forming; fruit color: brown
Fruit/seed maturity BBCH 85	Sep 1-Nov 30	Fruit fully colored and ripened; seed dispersal may begin
Fall color / leaf senescence BBCH 93	Oct 1-Nov 15	Leaves changing color; fall display beginning
Dormancy BBCH 97	Nov 15-Feb 28	Leafless; no active growth; dormant buds set

Diseases (19)

Colletotrichum acutatum complex (C Anthracnose Armillaria ostoyae Armillaria Root Rot Pseudomonas syringae Bacterial Leaf Spot and Dieback 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 abiotic (drought, heat stress) or bacterial (Xylella fast... Leaf Scorch Symptom category — not a single disease Leaf Spot Neonectria ditissima Nectria Canker Phytophthora spp. (P Phytophthora Root Rot Podosphaera aphanis var. aphanis Powdery Mildew Cryptostroma corticale Sooty Bark Disease Rhytisma punctatum Tar Spots Verticillium dahliae Verticillium Wilt Kretzschmaria deusta Brittle Decay Limb and Wood Decay Multiple possible causes (see Disease Cycle section) Fasciation Phyllosticta spp. Phyllosticta Leaf Spot

Pests (13)

Aphidoidea Aphid Prionoxystus robiniae Carpenterworm Pulvinaria innumerabilis Cottony maple scale Megachile spp. Leafcutting bee Vasates quadripedes Maple Bladdergall Mite Proteoteras aesculana Maple tip moth (Maple twig borer) Lepidosaphes ulmi Oystershell scale Otiorhynchus spp. Root weevil Edwardsiana rosae Rose leafhopper Leucoma salicis Satin moth Boisea rubrolineata Western boxelder bug Frankliniella occidentalis Western flower thrips Proteoteras moffatiana Maple shoot moth