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Omaha tree guide

Northern red oak

Quercus rubra

Nebraska Forest Service identifies northern red oak as the state's second most abundant native oak, concentrated along the Missouri River and tributaries in eastern Nebraska.

Sources checked: 2026-08-02Next source review: 2027-02-02Independent professional review: not completed

What this page can tell you

How to recognize this kind of tree

This profile is northern red oak, Quercus rubra, not every tree in the red-oak group.

These species-level facts cannot diagnose the condition of one particular tree, prove that work is needed, or determine whether it is hazardous.

What to look for

  • Red-oak-group leaves have pointed, bristle-tipped lobes; acorns may provide additional seasonal evidence.
  • The Nebraska Street Trees guide lists about 60 feet mature height and 40 feet mature width for eastern Nebraska planning.

What changes by season

Use whatever features are available now. Missing leaves, flowers, fruit, or pods often just means the timing is wrong—not that the tree cannot be a match.

When leaves are on

Compare alternate leaves or buds staggered along the twig, one leaf blade per stem, and pointed, bristle-tipped leaf lobes. Use more than one feature and do not force a match from leaf shape alone.

When leaves are off or hard to see

Compare gray furrows or ridges, a rounded tree, and a broad spreading tree. Bark and overall shape can help narrow it down, but neither confirms the species by itself.

When fruit or seeds are present

acorns can provide another useful clue. Not seeing them may simply reflect season, age, sex, or variety.

Typical mature size

The Nebraska Street Trees guide lists about 60 feet mature height and 40 feet mature width for eastern Nebraska planning.

Similar Omaha trees

These are the closest lookalikes among the 10 common local trees in this guide. Other species can still look similar.

Bur oak

Quercus macrocarpa

These trees can look similar in how the leaves or buds attach, whether the leaf is simple or compound, and fruit or seeds. Check leaf shape and bark next instead of relying on the name or one photograph.

View that tree profile

American elm (species only)

Ulmus americana

These trees can look similar in how the leaves or buds attach, whether the leaf is simple or compound, and bark. Check leaf shape, fruit or seeds, and overall tree shape next instead of relying on the name or one photograph.

View that tree profile

Important Omaha-area context

Where oak wilt is a concern, Nebraska Forest Service says oak pruning should be restricted from April through June.

This does not prove that a particular tree is infested, diseased, structurally unsound, or in need of removal.

What to consider for an individual tree

Unusual canopy browning or rapid leaf loss requires confirmation; species identity alone does not diagnose oak wilt or establish hazard.

Confirm current pruning timing and evaluate the individual tree before work.

Sources