Platanus Species, American Sycamore, American Planetree, Buttonball Tree, Buttonwood

Platanusoccidentalis

Genus
Platanus (PLAT-an-us)
Species
occidentalis (ok-sih-den-TAY-liss)
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Deciduous
Height
over 40 ft. (12 m)
Spacing
over 40 ft. (12 m)
Hardiness
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
Danger
N/A
Bloom Color
Red
Bloom Time
Mid Spring
Late Spring/Early Summer
Other Details
Category
Trees
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Non-patented
Propagation Methods
From softwood cuttings
From semi-hardwood cuttings
From hardwood cuttings
From hardwood heel cuttings
Allow cut surface to callous over before planting
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors
From seed; sow indoors before last frost
From seed; direct sow after last frost
From seed; germinate in a damp paper towel
From seed; germinate in vitro in gelatin, agar or other medium
Scarify seed before sowing
By grafting
By budding
By simple layering
By air layering
By tip layering
By serpentine layering
By stooling or mound layering
Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Wear gloves to protect hands when handling seeds
Regional

This plant is said to grow outdoors in the following regions:

Atmore, Alabama

Gadsden, Alabama

Chino Valley, Arizona

Grand Junction, Colorado

Bartow, Florida

Belleview, Florida

Clearwater, Florida

Eustis, Florida

Hampton, Florida

Keystone Heights, Florida

Lake City, Florida

Ocala, Florida

Port Saint Lucie, Florida

Zephyrhills, Florida

Augusta, Georgia

Jasper, Georgia

Townsend, Georgia

Glen Ellyn, Illinois

Glenview, Illinois

Marengo, Illinois

Rockford, Illinois

Urbana, Illinois

Indianapolis, Indiana

Elkader, Iowa

Kingman, Kansas

Benton, Kentucky

Clermont, Kentucky

Frankfort, Kentucky

Georgetown, Kentucky

Hebron, Kentucky

Lexington, Kentucky

Louisville, Kentucky

Nicholasville, Kentucky

Paris, Kentucky

Versailles, Kentucky

Mount Airy, Louisiana

New Orleans, Louisiana

Vacherie, Louisiana

Loreto, Marche

Brookeville, Maryland

Owings, Maryland

Valley Lee, Maryland

Halifax, Massachusetts

Lawrence, Massachusetts

Gobles, Michigan

Chaska, Minnesota

Circle Pines, Minnesota

South Saint Paul, Minnesota

Sturgis, Mississippi

Lincoln, Nebraska(2 reports)

Hawthorne, Nevada

Englewood, New Jersey

Frenchtown, New Jersey

New Vernon, New Jersey

Medford, New York

Oyster Bay, New York

Staten Island, New York

Dover, North Carolina

Cincinnati, Ohio

Columbus, Ohio

Dayton, Ohio

Glouster, Ohio

Guysville, Ohio

Hilliard, Ohio

Lebanon, Ohio

Jay, Oklahoma

Blairsville, Pennsylvania

Downingtown, Pennsylvania

Fayetteville, Pennsylvania

Lewisburg, Pennsylvania

Schwenksville, Pennsylvania

Thornton, Pennsylvania

Conway, South Carolina

Knoxville, Tennessee

Nashville, Tennessee

Angleton, Texas

Arlington, Texas

Austin, Texas(2 reports)

Bedford, Texas

Center, Texas

Hempstead, Texas

Liberty Hill, Texas

Medina, Texas

San Antonio, Texas(2 reports)

Chesapeake, Virginia

Roanoke, Virginia

Liberty, West Virginia

Rosedale, West Virginia

Cambridge, Wisconsin

show all

Featured Videos

Gardener's Notes:

18
positives
12
neutrals
7
negatives
Sort By:
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R
White House, TN | September 2019 | neutral

I’ve studied this species since 1960ish, in middle TN. Collected crossections from numerous fallen trees. I have planted many, and ke...Read More

C
Rockford, IL | March 2018 | positive

I collected seeds of an American Sycamore two years ago and grew them in my house under a plant light and plant heating pad. Once this tr...Read More

T
Blairsville, PA | October 2017 | positive

The Sycamore tree is a fast growing, large tree here in the east. The tree is not recommended for planting near sidewalks, driveways or s...Read More

H
Knoxville, TN | September 2015 | negative

I live in Knoxville TN. My backyard is completely open to the SW winds that funnel most of the leaves from the 5 Sycamores that are locat...Read More

S
Lake City, FL (Zone 8b) | September 2015 | positive

The previous owner of my house must have loved sycamores as there were five in the yard. One didn't thrive for unknown reasons and I cut ...Read More

C
Cypress, TX | September 2015 | positive

If you intend to plant a sycamore, possibly consider its relative from south of the border, Platanus mexicanus which is not as susceptibl...Read More

C
Angleton, TX (Zone 9a) | September 2015 | positive

I bought a house in 1998 that didn't have any trees. I tried planting a couple of oak trees but they died. My girlfriend gave me a small ...Read More

R
Downingtown, PA | August 2015 | positive

This grows to be a large shade tree and is best used in large yards or parks. It is also a common tree of open woods, wetlands, and long ...Read More

V
Austin, TX | May 2014 | neutral

If sycamore trees are self pruning and always drop branches before they can die and then the dead branches just sit there, I'd suggest co...Read More

J
Clearwater, FL (Zone 10a) | April 2014 | negative

Pros:
-Depending on the region of North America, this may be the best native 'last resort' tree for surviving in a dense, polluted...Read More

V
Austin, TX | November 2011 | negative

Contrary to the previous comment about branches, although I don't typically see dead branches on trees, I've seen way too many incidents ...Read More

G
Kingman, KS (Zone 6b) | November 2010 | positive

I love the American Sycamore tree. It is a very, very good tree. The reason why it drops twigs, is because it is self pruning. You nev...Read More

K
Glenview, IL | September 2010 | positive

Zone 5 encourages late leaf-out for the Sycamore. It is the perfect tree to under plant with early spring bulbs and plants. The red peo...Read More

B
Lincoln, NE (Zone 5b) | September 2010 | positive

I have a 40 yr. old Sycamore in my front yard. I love it. It is a beautiful tree, the bark is so unique and pretty. The twigs that fall a...Read More

C
C
Lewisburg, PA (Zone 6b) | September 2010 | neutral

There are many sycamores in the Pennsylvania river valley where I live. The best planted specimens are in large open spaces such as cemet...Read More

C
Marengo, IL | September 2010 | positive

All the complaints about the sycamore may be true, but they can also be positive.
I was attempting to convert an overused pasture ...Read More

K
Thornton, PA | September 2010 | neutral

We have 3 beautiful Sycamores along the front of our cottage that are about 90 years old. From personal experience, I would NEVER intenti...Read More

R
Center, TX | September 2010 | positive

if you are intrested in this tree, ignore the negative comments. My place is inherited from family . there was a huge Sycamore about 1...Read More

A
Gadsden, AL | September 2010 | negative

This is a beautiful tree -- way down at the edge of some woods, but NOT in a yard. All summer and fall it drops lots of big curly leaves...Read More

L
Englewood, NJ (Zone 6b) | September 2010 | negative

The Sycamore is considered a hardy city tree and is planted all over the streets of New York City. It is indeed messy but what I dislike ...Read More

L
Belleview, FL | September 2010 | positive

Growing up we had a sycamore in the front yard in NE Ohio and now living in central Florida I have a very very tall one in my side yard. ...Read More

O
Huntingdon, PA | September 2010 | neutral

A beautiful tree, but the roots will wreck havoc with sidewalks and lawns!

M
Marin, CA (Zone 9b) | February 2008 | negative

Where we live this tree drops huge leaves all year round, except in winter when it is bare. It never looks fresh and healthy.
Ugly...Read More

M
Coon Rapids, MN (Zone 4a) | November 2006 | positive

I didn't know that American Sycamore were hardy to zone 4 at all - every book say it is zone 5 even though a few hints at they were once...Read More

I
Austin, TX | May 2006 | neutral

The house I bought last year came with a large sycamore in the front yard, likely 50+ years old. It's a great shade tree, and I'm sure it...Read More

R
Walkerton, VA (Zone 7a) | February 2006 | negative

I tried planting two Sycamores with no success. Each summer they became infected with Powdery Mildew. While not a fatal fungus infection,...Read More

R
R
Owings, MD | August 2005 | positive

This tree does have a sweet smelling scent especially on hot sunny humid days, smells sort of like sweet human sweat. I only noticed it w...Read More

E
Atmore, AL (Zone 8b) | April 2005 | neutral

These are very large stately trees. Because of their extensive root system, they are very windfirm. However it's a shame they have a prob...Read More

K
Milton, VT (Zone 4a) | January 2005 | neutral

A bit of caution to those who wish to collect seeds from the seed balls:

The tiny hairs on the fruit clusters can irritate...Read More

T
Now in Orlando, FL (Zone 9b) | December 2004 | positive

The mighty sycamore as I call it, is a FL native to mostly the upper left hand side of the state but they are growing successfully much f...Read More

R
Circle Pines, MN | May 2004 | positive

I have found almost 300 sycamores growing in the St. Paul / Minneapolis Minnesota area. The winter hardiness of sycamores in this area of...Read More

M
M
Benton, KY (Zone 7a) | April 2004 | neutral

These trees can grow to great size in my area. most are found in the wild along creek and river banks. Most folk hesitate to plant them i...Read More

M
(Zone 11) | February 2004 | positive

I saw American Sycamores in Caxambu, a rather cold town north of here, planted along the margins of a river in the city park. These were ...Read More

D
New Orleans, LA (Zone 9a) | February 2004 | neutral

This tree is sometimes used along streets because of its ability to withstand, and even thrive in, harsh environments. The only drawback...Read More

H
H
San Antonio, TX (Zone 8b) | February 2004 | positive

San Antonio, Tx.)
The American sycamore is sometimes confused with the several other trees in the same genus which are similar in ...Read More

G
Silver Spring, MD | September 2003 | neutral

One tree I planted in Kingsville, Ontario in a low lying area with sandy loam soil grew 30' in 5 years. However on dry sites with heavy ...Read More

M
M
Ewing, KY (Zone 6a) | September 2001 | neutral

This fast growing,deciduous tree can reach the height 80 feet and 60 feet wide under urban conditions,but much larger in the wild.The flo...Read More

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