Best Time of Year to Plant Trees

Tree planting timing affects how quickly a tree establishes its root system, how well it survives its first winter, and how much supplemental watering it needs through its first growing season. The two main planting windows, fall and spring, have different advantages depending on species, climate zone, and tree form (bareroot, balled-and-burlapped, or container-grown).

Fall Planting: The Underused Best Option

Fall planting from late September through November is the best planting window for most deciduous trees in USDA zones 4 through 8. The reasons are straightforward. Soil temperatures in fall remain warm enough to support root growth for several weeks after air temperatures have cooled. The tree’s top growth is dormant or shutting down, so it is not competing with root establishment for the tree’s energy. The reduced leaf surface means lower water demand and less transplant stress.

A tree planted in October has four to six weeks of active root establishment before freeze-up, then resumes root development in early spring before the top growth makes any demands on the root system. By the time the tree pushes leaves in spring, it has a partially established root system rather than the bare-root situation of a spring-planted tree attempting to establish roots and push leaves simultaneously.

Fall planting exceptions: Marginally hardy species, thin-barked trees like magnolias in cold climates, and broadleaf evergreens are better planted in spring. Their first winter survival is the main risk, and they benefit from a full growing season of establishment before cold exposure.

Spring Planting: Practical and Effective

Spring planting from early to mid-spring, once soil can be worked and before summer heat arrives, is the more commonly practiced window. Container-grown and balled-and-burlapped trees planted in spring have the full growing season ahead to establish before winter. Water demand during summer is the main management challenge: newly planted trees require consistent moisture through their first one to two growing seasons regardless of rainfall.

The advantage of spring planting is availability: nurseries carry their widest selection of freshly dug and container stock in spring. For uncommon species, spring may be the only practical window given stock availability.

Bareroot Trees: A Special Case

Bareroot trees are sold with no soil around the roots and are shipped while fully dormant, typically in late winter and early spring. This form of sale is common for fruit trees, roses, and some ornamental trees. Bareroot trees must be planted while still dormant, before bud break. Once buds begin to swell and open, the window for bareroot planting has closed.

The advantage of bareroot trees is their lower cost and ease of transport. When planted correctly in the brief dormant window, they establish very well and often match the growth rate of container-grown trees within two to three seasons.

Planting Timing by Climate Zone

Zones 3 to 5 (cold northern climates): Spring planting is safer for most species in these zones, as fall-planted trees have less time to establish before hard freeze. The fall window is shorter: plant by early October at the latest.

Zones 6 to 7 (moderate mid-latitude): Both fall and spring work well. Fall planting from September through October produces excellent establishment results.

Zones 8 to 10 (warm southern and coastal): The optimal planting window shifts to November through February, when temperatures are moderate and summer heat stress is avoided. Spring planting in these zones means immediate high-temperature and drought stress on newly planted trees.

What to Avoid

Do not plant trees in frozen soil. Roots cannot establish in frozen ground and the transition from frozen soil to the root ball often creates damaging air pockets.

Do not plant in extreme heat or drought without the ability to water consistently. A newly planted tree in a July heat wave without reliable supplemental irrigation faces severe establishment stress.

For the specific planting steps including hole sizing and depth, root flare placement, and post-planting care, the how to plant a tree guide covers the complete technique.