Planetree Maple
Acer pseudoplatanus
Sapindaceae, Aceraceae · broadleaf · introduced
Quick Facts
Height
40–60 ft
Spread
49 ft
Growth Rate
Moderate
Light
Full Sun
Soil
Moist
Water
Moderate
Hardiness
Zone Zones 4a–8b
Bloom Time
May
Fall Color
Brown
Origin
Europe and western Asia Caution: In some areas Acer
Phenological Calendar
| Stage | Typical Window |
|---|---|
| Bud break BBCH 07 | Feb 15-Mar 15 |
| Leaf emergence BBCH 11 | Mar 1-Apr 1 |
| Bloom start BBCH 61 | May 1-May 31 |
| Bloom end / petal fall BBCH 69 | May 15-Jun 15 |
| Fruit/seed development BBCH 71 | Mar 15-May 31 |
| Fruit/seed maturity BBCH 85 | Jun 1-Aug 31 |
| Leaf drop BBCH 93 | Oct 15-Nov 30 |
| Dormancy BBCH 97 | Nov 15-Feb 28 |
Diseases (20)
Apiognomonia veneta (syn. Gnomonia platani) Sycamore 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
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
Podosphaera aphanis var. aphanis Powdery Mildew
Rhytisma punctatum Tar Spots
Verticillium dahliae Verticillium Wilt
Pests (13)
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 (4)
Atropurpureum
Common name: Purpleleaf Sycamore Maple
Brilliantissimum
Common name: Brilliantissimum Sycamore Maple; Mature height: 20 ft
Esk Sunset
Common name: Eskimo Sunset Sycamore Maple; Mature height: 12–15 ft
Nizetii
Common name: Nizetii Sycamore Maple or Planetree Maple Nizetii Planetree Maple; Mature height: 7 ft