North America Non-native Plant

Sycamore

Botanical name: Platanus

USDA symbol: PLATA

Life cycle: perennial

Habit: tree

Native status: It's either native or not native in Canada âš˜ It's either native or not native in the lower 48 states  

Sycamore Trees: Majestic Giants for Spacious Landscapes If you’ve ever admired a tree with bark that looks like it’s wearing camouflage pants, you’ve probably encountered a sycamore (Platanus). These impressive perennial trees are hard to miss, thanks to their distinctive mottled bark that peels away in patches to reveal a ...

Sycamore Trees: Majestic Giants for Spacious Landscapes

If you’ve ever admired a tree with bark that looks like it’s wearing camouflage pants, you’ve probably encountered a sycamore (Platanus). These impressive perennial trees are hard to miss, thanks to their distinctive mottled bark that peels away in patches to reveal a stunning patchwork of cream, green, and brown underneath.

What Makes Sycamores Special?

Sycamores are the gentle giants of the tree world. As perennial woody plants with single trunks, they typically soar to heights greater than 13-16 feet, and many species can reach truly impressive proportions. Their broad, palmate leaves provide excellent shade, while their unique exfoliating bark creates year-round visual interest that’s practically impossible to ignore.

These trees produce distinctive round seed balls that dangle like ornaments from their branches, adding another layer of character to their already striking appearance.

Where Do Sycamores Grow?

Sycamores have an extensive range across North America, thriving in numerous states from Alabama and Arizona to Wisconsin and Washington, plus Ontario in Canada. You’ll find them growing in a remarkable variety of locations across the continent.

Are Sycamores Right for Your Garden?

Here’s the thing about sycamores – they’re not exactly shrinking violets. These trees need space, and lots of it. If you’re working with a small urban lot, a sycamore might overwhelm your landscape faster than you can say shade tree.

Sycamores work best when you have:

  • Plenty of space for a large canopy
  • Areas where you want significant shade coverage
  • Naturalized or informal landscape designs
  • Properties near water features or low-lying areas

Growing Conditions and Care

Sycamores are generally accommodating trees that adapt to various growing conditions. They typically prefer:

  • Full sun exposure
  • Moist, well-draining soil (though they tolerate different soil types)
  • Regular watering, especially when young
  • Protection from strong winds while establishing

Once established, sycamores are relatively low-maintenance. They don’t require extensive pruning, though you may want to remove dead or damaged branches as needed.

Wildlife and Ecosystem Benefits

While sycamores provide some wildlife benefits, they’re not exactly the all-you-can-eat buffet that some native trees offer. According to wildlife food habit studies, these trees contribute only about 2-5% of the diet for small mammals and terrestrial birds, and provide sparse cover options.

That said, their large size means they can still serve as nesting sites and provide some shelter for various wildlife species.

Things to Consider

Before planting a sycamore, consider whether a native tree species might better serve your local ecosystem. Many regions have native alternatives that provide superior wildlife habitat and are perfectly adapted to local conditions.

Also, keep in mind that sycamores can be messy trees. They drop leaves, seed balls, and bark pieces throughout the year, so they’re not the best choice if you prefer a tidy landscape.

The Bottom Line

Sycamores are undeniably beautiful trees with character to spare. Their distinctive bark and impressive size make them conversation starters wherever they grow. However, they’re best suited for large properties where they have room to reach their full potential without overwhelming the landscape.

If you have the space and don’t mind a tree with personality (and a tendency to shed), a sycamore could be a striking addition to your landscape. Just make sure you’re prepared for the long-term commitment – these trees can live for decades and will only get bigger with time!

Wildlife Status

Want to attract wildlife or keep hungry critters away from your garden? Understanding the relationship between plants and wildlife is key. While plant tags may indicate deer and rabbit resistance, they don't tell the full story. Every gardener has experienced the disappointment of purchasing "deer-resistant" plants only to find them nibbled to the ground!

The extent to which plants are resistant to animal browsing is a matter of degree. Likewise, the extent to which a plant attracts wanted visitors also varies. Whether you want a garden full or free of wildlife, learning about interactions between a plant and wild animals can help you make smarter choices for the garden you desire.

As shown below Shrubby Indian Mallow isn't a large food source for animals or birds. You can confidently add this plant to your garden and rest assured knowing it's unlikely to be devoured by four-legged visitors.

Small animals

2-5% of diet

Sparsely used as cover

Large animals

not a food source

not a source of cover

Terrestrial birds

2-5% of diet

Sparsely used as cover

Water birds

not a food source

not a source of cover

Sources:

Martin, A.C., H.S. Zim, and A.L. Nelson. 1951. American wildlife and plants: A guide to wildlife food habits. Dover Publications. New York.

Sycamore

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Hamamelididae

Order

Hamamelidales

Family

Platanaceae T. Lestib. - Plane-tree family

Genus

Platanus L. - sycamore

Species

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA