General Plant Information (Edit)
Plant Habit: Tree
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Water Preferences: Wet Mesic
Mesic
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Minimum cold hardiness: Zone 3 -40 °C (-40 °F) to -37.2 °C (-35)
Plant Height: 20 to 35 feet
Leaves: Good fall color
Deciduous
Other: Dead leaves often remain on branches over the winter (marcescent)
Fruit: Showy
Edible to birds
Fruiting Time: Summer
Fall
Flowers: Inconspicuous
Bloom Size: Under 1"
1"-2"
Flower Time: Spring
Uses: Windbreak or Hedge
Provides winter interest
Wildlife Attractant: Birds
Pollinators: Wind
Miscellaneous: Monoecious
Conservation status: Least Concern (LC)

Conservation status:
Conservation status: Least Concern
Image
Common names
  • American Hornbeam
  • Ironwood
  • Musclewood
  • Blue Beech

Photo Gallery
Location: Glen Ellyn, Illinois
Date: 2023-10-20
young tree planted at Sunset Park in fall color
Location: Glen Ellyn, Illinois
Date: 2023-10-20
fall foliage and dry fruits of bracts with small nutlike seeds
Location: Fairfax, VA | May, 2023

Date: 2022-08-13
Location: Jenkins Arboretum in Berwyn, Pennsylvania
Date: 2019-03-17
good example of trunk being "musclewood"
Location: Botanical Graden Meise - Nationale Plantentuin Meise - Brussel
Location: along Brandywine Creek in southeast PA
Date: 2014-10-17
wild trees in forest
Location: Downingtown, Pennsylvania
Date: 2008-11-07
young planted tree in sun in fall color
Location: Botanical Graden Meise - Nationale Plantentuin Meise - Brussel
Location: Natural Area in Northeastern Indiana
Date: 2011-10-07
Smooth-barked. A mature specimen.
Location: Minneapolis, Minnesota
Date: 2016-06-10
Lovely pleated and toothed leaves of a tree at Powderhorn Park
Location: North Carolina Botanical Gardens Chapel Hill, North Carolina
Date: February 28, 2023
American hornbeam #394; RAB page 369, 54-5-1. MBG, "Genus name co
Location: Middle TN
Date: November 3, 2017
Location: National Botanical Garden, DC, Virginia :) | May, 2022
Date: 2022-05-28
Location: Morton Arboretum in Lisle, IL
Date: 2017-09-05
foliage and 3-lobed winged samaras
Location: southeast Pennsylvania
Date: 2014-10-17
wild tree in fall color
Location: Pennypack Creek Park in Philadelphia, PA
Date: 2019-09-05
large specimen in front of woods along walk
Location: Natural Area in Northeastern Indiana
Date: 2011-10-07
Location: Natural Area in Northeastern Indiana - Zone 5
Date: 2011-10-07
Nuts enclosed in trilobed involucres.
Location: Chicago Botanical Gardens
Date: 2013-05-22
Location: Chicago Botanical Gardens
Date: 2013-05-22
Location: Mercer Botanical Garden  Houston, Tx
Date: 2014-05-21
Location: Hollis, New Hampshire
Date: August 11, 2013
Location: Hollis, New Hampshire
Date: August 11, 2013
Location: Hollis, New Hampshire
Date: August 11, 2013
Uploaded by robertduval14
Location: Cantigny Park in Wheaton, IL
Date: 2010-08-18
mature planted tree, behind bench
Location: in parking lot island at Morton Arboretum in Lisle, IL
Date: 2017-09-05
mature planted tree
Location: southwest Michigan
Date: August in 1980's
mature tree, with some drought
Location: southwest Michigan
Date: August in 1980's
mature trunk
Location: Lilburn, GA
Date: 2019-05-23
Old growth tree
Location: Downingtown, Pennsylvania
Date: 2007-11-24
leaves in fall color, in sunny location
Location: Jenkins Arboretum in Berwyn, PA
Date: 2015-04-26
catkins (flowers)
Location: southeast Pennsylvania
Date: 2010-03-16
portion of a trunk(s)
Location: southeast Pennylvania
Date: 2015-10-06
fruits, samaras

Photo courtesy of: Tom Potterfield
Location: Tennessee
Date: 2005-11-17
Steven J. Baskauf http://bioimages.vanderbilt.edu/

Date: 2005-11-17
Steven J. Baskauf http://bioimages.vanderbilt.edu/
Location: Tennessee
Date: 2003-04-02
Steven J. Baskauf http://bioimages.vanderbilt.edu/
Location: Tennessee
Date: 2006-03-15
Steven J. Baskauf http://bioimages.vanderbilt.edu/
Comments:
  • Posted by ILPARW (southeast Pennsylvania - Zone 6b) on Mar 28, 2019 11:26 AM concerning plant:
    The American Hornbeam or Musclewood is a lovely small to medium sized tree, usually 20 to 35 feet high, but to around 50 feet is possible. It is native from New England and a little of southeast Canada down into northern Florida to east Texas up to central Minnesota, growing in forests from draining wet soils along watercourses and lowlands up to east and north facing slopes of hills and mountains. It is slow growing of about 8 to 12 inches/year and lives over 150 years. It has deep, course lateral spreading roots and is difficult to transplant, but can be root pruned in nurseries and dug up B&B in spring. Larger, diverse conventional nurseries and native plant nurseries sell some. Its most interesting feature is the smooth, light grey bark on a irregularly fluted trunk, looking muscle-like. (The European species has darker bark and darker, thicker-textured leaves). Its handsome birch-like leaves bear good autumn colour from yellow to orange to red. High quality tree!
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