photo of Carpinus caroliniana

Carpinus caroliniana

Ironwood

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Ironwood is a small deciduous tree, which grows well in shady areas. Its smooth, gray bark has vertical grooves, giving the appearance of rippling...

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Description:

Ironwood is a small deciduous tree, which grows well in shady areas. Its smooth, gray bark has vertical grooves, giving the appearance of rippling muscles along the trunk. It is monoecious (separate male and female flowers on the same tree); white female and green male flowers bloom in early spring. The female flowers are followed by papery, winged nutlets. The dark-green leaves turn shades of yellow, orange, and red in the fall. Ironwood is a host for butterfly and moth larvae (caterpillars), including Eastern Tiger Swallowtail (Papilio glaucus), Striped Hairstreak (Satyrium liparops), and Red-spotted Purple (Limenitis arthemis). It thrives in moist soils and tolerates periodic flooding. Use Ironwood as a shade tree, street tree, and understory tree in woodland gardens.

Plant Details:

Other Common Names: American Hornbeam, Musclewood

Plant Type: Tree

New Jersey Native: Yes

Bloom Times: Spring

Bloom Colors: Green, White

Deer Resistance: High

Attracts Pollinators and Wildlife: Butterflies, Birds

Salt Tolerance: Low to None

Hardiness Zone: 6a, 6b, 7a, 7b

Physiographic Region: All Regions in NJ

Soil Characteristics

Soil Type: Loam, Organic, Sandy

Soil Moisture: Moist, Wet

Soil pH: Acidic, Slightly Acidic, Neutral

Light Needs of Plant

Optimal Light: Shade

Light Range: Partial Shade, Shade

Water Needs of Plant

Soil Moisture: Moist, Wet

Drought Tolerance: Low

Size and Growth Rate

Height: 20 - 30 ft

Spread: 20 - 30 ft

Growth Rate: Slow