Plant library · Shade Trees
Celtis occidentalis
Northern Hackberry is a tough native shade tree that develops into a substantial 50-foot-tall, 40-foot-wide presence. Its broad scale makes it most useful as a long-term canopy tree rather than a filler for a small bed. The warty bark gives the trunk winter interest, while the small berries add seasonal activity where a bird-friendly planting is welcome.
Use Northern Hackberry in an open lawn, large native planting, wind-exposed site, or the outer zone of a broad property where its canopy can spread without crowding structures. Keep the trunk well back from narrow side yards, overhead lines, and beds that need regular sun. As the crown expands, expect it to cast a wide area of shade; place sun-dependent borders and productive beds beyond that future canopy.
Space trees 35 feet apart, center to center, when repeating Northern Hackberry in a canopy row or loose grove. Its mature width can reach about 40 feet, so this spacing allows crowns to approach and overlap slightly over time. For an individual specimen, reserve a broad clear zone around the trunk and leave circulation space at the edge of the eventual canopy rather than planning paths directly beneath its widest branches.
Give this tree a full-sun position and use it where lower water needs suit the rest of the plan. Its tolerance of wind, drought, and clay makes it a practical choice for exposed or heavier-soil areas that may be less accommodating to more demanding shade trees. Maintain an open planting area so the young tree can establish without competition from densely packed shrubs at its base.
Small greenish flowers arrive from mid to late spring, followed by berry-like fruit that ripens later in the growing season. The tree is deciduous, so its canopy provides a changing seasonal layer: summer shade gives way to more light beneath the branches after leaf fall. Plan understory and seating areas with both conditions in mind.[1]
Avoid placing a fruiting tree immediately beside patios, frequently swept walks, or other hard-surfaced gathering areas if seasonal fruit drop would be inconvenient. Leaf galls and witches’ broom can be visually noticeable even when they cause little direct harm, so use this tree where a naturally textured, informal canopy is appropriate rather than where immaculate foliage is essential.[1]
Editorial content updated 2026-07-20.