American Sycamore
Platanus occidentalis
Family Platanaceae
Winter is when American sycamore shows off — camouflage bark peeling away to limbs of brilliant creamy white that glow against gray woods and river bottoms for miles. In leaf it's a fast, towering native shade tree; bare, it's the most striking silhouette in the landscape.
A floodplain native, it shrugs at wet ground that drowns other trees, hangs its round seed balls through winter for the birds, and grows to genuine giant scale — this is a tree for acreage, creek sides, and big lawns, not small yards. Got the room? Few natives reward it more.
Full Sun
Moderate water
Fast growth
Native to North America
From the print shop
Growing american sycamore? Hang it.
Our Plant Library collection carries american sycamore — Platanus occidentalis, print Nº 17, “American Sycamore.”
526 designsfrom $12.99white or black backgroundmatte poster, unframed
Will it fruit where you are?
Enter your ZIP — we look up your USDA hardiness zone (2023 map) and check it against what american sycamore actually needs.
Hardy inZones 4-9American Sycamore · Common problems
Common american sycamore problems
Pests
3 problems on file
Diseases
3 problems on file
- Anthracnose (browns spring foliage in wet springs; tree recovers)
- Powdery Mildew
- Bacterial Leaf Scorch
American Sycamore · Growing & propagation
Growing american sycamore
- Light
- Full Sun
- Water
- Moderate-High
A floodplain native, tolerates wet
Soil- Deep, moist
Adaptable · pH 6.0 - 7.5
Fertilizer- None
Pruning- Winter
One of the largest and fastest native shade trees — instantly known by its camouflage bark peeling to bright creamy-white on the upper trunk, glowing in winter. It's massive, fast, and floodplain-tough (great for big wet sites and stream banks), but it's a big tree for big spaces: it drops leaves, bark, and seed balls, and anthracnose can brown spring leaves (it leafs out again). The London plane is its tougher urban hybrid.
Spacing- 50+ ft
How to plant & propagate american sycamore
- Propagate
- Seed (stratify), cuttings, or layering
American Sycamore · Calculators & field guides
A little help in the garden.
American Sycamore · Yearly calendar
The american sycamore year, month by month
Jan
PruneDecember to February
HarvestDecember to February
BloomPrune
HarvestBloomMarch to May
PruneDecember to February
HarvestDecember to February
What each band means
- Bloom — flowers open — pollinators working, frost on blossoms is the danger.
- Prune — shape it now — cuts heal cleanly and structure is visible.
- Harvest — picking time — check ripeness every few days.
These are the species' typical months — expect them a few weeks earlier in warm zones and later in cold ones. Watch the plant, not just the calendar.
American Sycamore · Ecology & uses
Ecology & uses
Platanus occidentalis
American Sycamore in the garden system
- Canopy layer tree
Attracts- Birds
Habitat- Wetland
- Moisture
- Wetland / wet-tolerant
Deer- Browsed
Protect young plants
- Origin
- Native to North America
What american sycamore is grown for
✓ Commonly eaten
- Use
- Big fast shade
- Use
- White bark
- Use
- Wet sites
- Use
- Native
Harvesting & storing american sycamore
Round seed balls dangle through winter.
Edibility, identification, and traditional-use notes here are general reference — not medical or veterinary advice, and not a claim that any plant treats or prevents anything. Medicinal ratings record how strongly a plant features in herbal tradition, nothing more. Never eat or dose a plant you have not positively identified. More on how to use this library.
American Sycamore · Varieties & cultivars
Choosing a american sycamore variety
Straight species; London plane (P. × acerifolia) is the disease-resistant street-tree hybrid
Sources & plant identity
Know what you’re growing.
See where the knowledge comes from.
American Sycamore
Platanus occidentalis
The plant, at a glance.
- Botanical name
- Platanus occidentalis
- Plant family
- Platanaceae
- Growth habit
- Tree · Perennial
- Origin
- Native to North America
- USDA plant symbol
- PLOC
- Invasive risk
- Low
Hardiness, size and timing vary with your cultivar, soil and climate.
Rooted in research.
University extension research, brought together with hands-on growing experience at Story Thyme Farms.
Questions
American Sycamore questions, answered straight.
Is american sycamore safe for kids and pets?
American Sycamore is commonly eaten and isn't considered toxic, but "commonly eaten" isn't a guarantee for any particular person or animal — allergies, quantity, and which part you eat all matter. Never eat a plant you haven't positively identified, and check with a vet before letting pets or livestock graze anything new.
When do you harvest american sycamore?
Round seed balls dangle through winter.
How do you propagate american sycamore?
Seed (stratify), cuttings, or layering.
Elsewhere
Where american sycamore sits in the library.
Black Locust
Sassafras
Eastern Hemlock
Northern Catalpa