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American Plane Tree

Platanus occidentalis (PLAT-a-nuz ok-si-den-TAH-lis)

Family: Platanaceae Native Canopy (>40 ft)

The American sycamore is a large, fast–growing, woody, deciduous tree in the platanus family (Platanaceae). It has a wide spreading, irregularly shaped crown and distinctive bark. It is native to southeastern Canada and the central and eastern United States. The genus name is derived from the Greek word, plantanos , and originates from the oriental plane tree or Platanus orientalis. The epithet, occidentalis , means western. It was given its common name, sycamore, by European settlers because the foliage looked similar to the sycamore of the British Isles. The American sycamore may grow 75 to 100 feet tall, is equally as wide, and has a trunk diameter of 10 feet or more. It prefers full sun and moist soils with good drainage but is not particular about soil pH or texture. Propagate it by seed. It is moderately deer-resistant yet is a food source for small mammals and songbirds. It tolerates being planted near black walnut, pollution and urban conditions. The wood is hard and moderately strong. Native Americans hollowed out the trunk of the American sycamore to make canoes. The sap is sweet and can be tapped in the spring for use as syrup and sugar. When considering American sycamore for a home landscape, keep in mind that it will require a very large space and its littering of twigs and fruits can be messy. Use it as a privacy screen, a shade tree or a street tree. Plant it as a specimen in a woodland, or a children's, edible, native or rain garden. Quick ID Hints : A large deciduous tree, 75 to 100 feet tall and equally as wide, irregular crown The bark is reddish brown to gray, scaly at the base. The upper bark is light gray and exfoliates to expose the inner bark that is white to cream-colored. The stems are zigzag, stout and orangish-brown. The buds are large, smooth, and best seen during the winter. The alternate, large, green, three to five lobed leaves are 4 to 9 inches wide, have coarse toothed margins, and lateral lobes that appear folded. The small male and female flowers are insignificant and appear in a single dense cluster on a stalk. The fruit ball has a fibrous interior and is densely packed with seeds or achenes. Insects, Diseases, or Other Plant Problems : Potential insects include borers, scales, Japanese beetles, caterpillars, and spider mites. Sycamore anthracnose can severely damage foliage and twigs and frequently causes premature leaf drop. It is susceptible to canker, leaf spots, and powdery mildew. It is susceptible to wind damage. The Clemson Cooperative Extension Home & Garden Information Center has a factsheet on common pests and diseases. VIDEO Created by Elizabeth Meyer for " Trees, Shrubs and Conifers " a plant identification course offered in partnership with Longwood Gardens.

Source: NC State Extension Gardener Plant Toolbox ↗ NC State Extension Gardener Plant Toolbox, 73 attributes.

How it fits the guild

Guild layer 1 - Canopy (>40 ft) Optimal soil pH Acid (<6.0); Alkaline (>8.0); Neutral (6.0-8.0)
See companions & conflicts ↓

Companions & Conflicts

Curated pairwise relationships between this plant and others in the library — who feeds whom, who competes, who confuses the pests. Green reads as a good pairing, red as one to avoid.

No curated interactions recorded for this species yet.

Also noted by NC State

Related species the NC State Plant Toolbox flags for this plant — look-alikes to tell apart, and plants that play a similar role in a planting. Ones we carry in the library are linked.

Often confused with Acer saccharum Platanus x acerifolia

Full plant profile

Growing Conditions
Plant type
Native Plant; Perennial; Tree
Life cycle
Woody
USDA zones
4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b
Light
Full sun (6 or more hours of direct sunlight a day)
Soil texture
Clay; High Organic Matter; Loam (Silt); Sand
Soil pH
Acid (<6.0); Alkaline (>8.0); Neutral (6.0-8.0)
Soil drainage
Good Drainage | Moist | Occasional Flooding | Occasionally Wet
Available space
more than 60 feet
NC region
Coastal; Mountains; Piedmont
Mature size
Height: 75 ft. 0 in. - 100 ft. 0 in. | Width: 75 ft. 0 in. - 100 ft. 0 in.
Growth rate
Rapid
Maintenance
High
Canopy layer
1 - Canopy (>40 ft)
Form & Appearance
Habit / form
Dense; Horizontal; Irregular; Pyramidal; Rounded; Spreading
Texture
Coarse
Foliage
Deciduous
Leaf color
Green
Leaf type
Simple
Leaf arrangement
Alternate
Leaf shape
Ovate
Leaf margin
Dentate; Lobed
Leaf feel
Smooth
Leaf value
Showy
Leaf size
3-6 inches long, 3-6 inches wide
Hairs present
Yes
Leaf detail
The leaves are large, 3 to 5 lobed, alternate, simple, stipulate, broadly ovate, acute, truncate to cordate, coarsely acuminate toothed, medium to dark green, 4 to 9 inches wide, and usually wider than long. The upper surface is smooth and bright green, and the undersides are paler and pubescent. The leaves can appear folded over or droopy. The petiole flares out and covers over a leaf bud at the base. The leaves turn yellow to brown in the fall. Leaves are floccose to tomentose when young, and become pubescent on veins at maturity. Stipules on young leaves persist into fall, are large, and are acuminate toothed.
Fall color
Brown/Copper; Gold/Yellow
Flower color
Gold/Yellow; Green; Red/Burgundy
Flower form
Insignificant
Flower detail
In April, insignificant, small monoecious flowers appear in clusters, typically one cluster to a stalk. The inflorescence is a pendulous, globose syncarp, solitary terminating on an elongated peduncle that is 3 to 6 inches long. Syncarps are hard when young, and crumb apart when they mature. The male flower is greenish-yellow, and the female flower is red.
Bloom time
Spring
Fruit color
Brown/Copper
Fruit type
Achene
Fruit value
Showy
Fruit size
< 1 inch long, < 1 inch wide
Fruit detail
The fruit ball is a showy, fuzzy, long-stalked, round ball that is 0.5 to 1-inches in diameter. There are 1 to 2 fruit balls per peduncle, usually one. The stalk is 3 to 6 inches long. They ripen to brown in the fall and persist into early winter. Each ball is fibrous interiorly and contains many seed-like fruits called achenes. As fall progresses the balls break down and the seeds fly out in downy tufts on the wind. Typically the fruits fall to the ground and then split open to release their seeds.
Bark color
Dark Brown; Light Brown; Light Gray; Red/Burgundy; White
Bark detail
The bark is mottled, reddish brown to gray, and scaly on the base of the trunk. The upper bark is light gray and exfoliates to expose the inner bark that is white to cream-colored. It is called "camouflage bark.
Stem color
Brown/Copper; Orange
Stem detail
The stems are stout, orangish-brown, and have a zigzag form. The leaf scar encircles the bud, and the stipule scar encircles the twig. The terminal bud is not present. The lateral buds have a single, cap-like scale and are reddish and resinous. Buds are large, conical, acute, smooth, hidden, and surrounded by swollen petiole bases until the leaf drops.
Wildlife & Ecology
Native status
Native
Origin
Southeastern Canada and Central to Eastern United States
Distribution
Native: United States--AL, AR, CT, DE, DC, FL, GA, IL, IN, IA, KS, KY, LA, ME, MD, MA, MI, MS, MO, NE, NH, NJ, NY, NC, OH, OK, PA, RI, SC, TN, TX, VT, VA, WV, and WI. Canada--Ontario. Introduced Ecuador, North Caucasus, Transcaucasus, and Turkmenistan.
Wildlife value
Many songbirds including the Purple Finch, Juncos, American Goldfinch, and the Carolina Chickadee enjoy eating the seeds. The tree hosts wood-boring insects and leafhoppers.
Attracts
Small Mammals; Songbirds
Play value
Edible fruit; Textural; Wildlife Food Source
Food & Medicine
Edible parts
Fruit
Harvest time
Fall; Winter
Fruit type
Achene

Edibility

Sap is sweet and tapped in the spring for use as syrup and sugar.

Uses (ethnobotany)

Wood is hard and moderately strong, but decays rapidly in the ground. It is often used for chopping blocks, furniture, and chipboard. It is also used to make barrels and crates. Native American hollowed out the trunk of the American sycamore to make canoes.

Landscape Use
Landscape location
Recreational Play Area; Woodland
Landscape theme
Children's Garden; Edible Garden; Native Garden; Rain Garden
Design feature
Screen/Privacy; Shade Tree; Specimen; Street Tree
Garden tags
#white bark #deciduous #interesting bark #full sun tolerant #large leaves #rain garden #deer resistant #fire medium flammability #spiky #children's garden #edible seeds #Braham Arboretum #NC native #food source fall #fantz #bird friendly #tsc-t #tsc #Piedmont Mountains FACW #food source herbage #food source hard mast fruit #mammals #Coastal FACW #non-toxic for cats #non-toxic for horses #non-toxic for dogs #Audubon #exfoliating bark #shade tree #wind damage prone #playground plant #landscape plant sleuths course #wind dispersed seeds #street tree #wildlife friendly #collier preserve tn #cpp #HS111 #HS303 #hortcontest
Problems & Resistance
Insect problems
Sycamore Lace Bug; Sycamore Leaf Beetle; Japanese Beetle; Caterpillars That Feed on Trees and Shrubs; Twospotted Spider Mites on Landscape Plants
Resistant to
Black Walnut; Deer; Drought; Pollution; Urban Conditions; Voles; Wet Soil
Particularly resistant to
The American sycamore is moderately resistant to damage from deer.
Propagation
Seed
Fire risk
medium flammability

Planted at Hunnicutt

Nobody’s planted this one yet.