The American Holly: Delaware’s Official State Tree (And Other Fun Facts)

Digest these numbers in honor of Arbor Day.

1939

Year the American holly was designated the official state tree

166

Height in feet of the state’s tallest tree, a tulip poplar at Winterthur Museum, Garden and Library

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106

The spread in feet of the state’s largest tree, a zelkova located in Greenville

89

Height in feet of the state’s largest scrub pine (Sussex County)

560

Age in years of the state’s oldest tree, a bald cypress

16

Certified Tree City USA communities in Delaware

41

Invasive tree species in Delaware

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30

Percent of land in Delaware covered by forest

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