Posted on August 25, 2026 by Van Becelaere Greenhouse

Ask most U.S. gardeners when to plant a tree, and they’ll say spring. Across the four-state area of Arkansas, Kansas, Missouri, and Oklahoma, tree planting is more successful in September than in spring, and the science backs it up. From warm soil to steadier rainfall, late summer and early fall give new trees a head start that spring planting can’t match. Here’s why fall deserves the top spot on your tree planting calendar.

Warm Soil, Cool Air: Ideal for Root Growth

Roots grow best in warm soil, and Kansas soil in September still holds summer heat. According to K-State Research and Extension, spring soils are often so cold and wet that low oxygen levels inhibit root growth, while warm, moist fall soils encourage it. 

Cooling air helps, too. As days shorten, trees slow their top growth and redirect energy underground, so a tree planted in late summer or early fall puts its effort exactly where a new transplant needs it: Into the roots.

Fall Planting Means Less Transplant Shock

Every transplanted tree loses some roots in the move. Hot weather makes that loss painful. Plant in April, and your tree faces a Kansas summer within weeks, often before its roots recover. 

That’s a big part of why fall is the best time to plant trees here. Mild days and cool nights lower the water demand on leaves, giving the root system time to rebuild without the stress of triple-digit heat. Less stress means less transplant shock, faster establishment, and a healthier tree heading into winter.

Kansas Rainfall Boosts Fall Planting Success

Fall tree planting also benefits from the weather itself. September and October typically bring steadier, gentler rainfall to Southeast Kansas than the hit-or-miss storms of midsummer, which means more consistent soil moisture while roots take hold. 

You’ll still need to water deeply during dry spells, letting the soil dry between soakings, but nature does more of the work for you in fall than in July. A two- to four-inch ring of mulch helps hold that moisture even longer.

Stronger Roots Before Next Summer’s Heat

A tree planted this September gets two root-growing seasons—fall and spring—before it ever faces a Kansas July. Fall-planted trees establish sooner and withstand summer stress better than spring-planted ones. K-State’s Johnson County extension office recommends planting between early September and the end of October. Waiting until November leaves less time for roots to grow before the soil cools. Get yours in the ground early, and it enters next summer anchored and ready.

What to Plant This Fall in Kansas

Not every species loves a fall start, so choose wisely. Fast-rooting trees like maples, elms, hackberries, honeylocusts, crabapples, and lindens are excellent candidates, while the same K-State guidance recommends saving slower-rooting varieties—redbuds, magnolias, dogwoods, and birches—for spring. Fall is also when fresh nursery stock arrives, so selection is at its peak. The family behind Van Becelaere Greenhouse has matched trees to four-state soils for four generations, and the on-site greenhouse is stocked and ready.

Fall planting season is short, and the best trees go first. Stop by Van Becelaere Greenhouse at 2513 E. 4th St., Pittsburg, KS 66762, or call 620-231-1127. Proudly serving Pittsburg, Kansas, and the four-state region for over 80-years.