Weekend PlantSassafras
Sassafras albidum — Lauraceae
Sassafras is a distinctive native North American tree known for its aromatic bark, roots, and uniquely shaped leaves that can appear oval, mitten-shaped, or three-lobed on the same plant. It brings strong seasonal interest with yellow spring flowers, blue summer fruits on red stalks, and glowing fall color. For home gardeners, it is a handsome choice for naturalized landscapes, wildlife plantings, and spacious native gardens.
Growing data sourced from the USDA PLANTS Database. Hardiness zones reflect perennial survival — this plant may tolerate a wider range when grown as an annual.
How to Grow
Planting
Plant sassafras in a sunny site with well-drained soil and enough room for it to mature into a medium to large tree. It tolerates sandy and loamy soils well and adapts to a fairly wide pH range, from acidic to slightly alkaline conditions. Young trees establish best when planted in spring or fall while temperatures are mild. Because sassafras develops a deep root system and can be somewhat difficult to move once older, choose its location carefully from the start.
Care
Sassafras is a relatively low-maintenance tree once established, making it a good fit for naturalistic and native plant landscapes. It prefers open conditions and does not perform as well in heavy shade, since it is shade intolerant. This species may slowly form colonies by root suckers, which can be desirable in wildlife areas but may need management in smaller gardens. Mulching around the base helps reduce weed competition and protects the root zone, but keep mulch away from direct contact with the trunk.
Watering
Water newly planted sassafras regularly during its first growing season to help roots establish deeply. After establishment, it is considered drought tolerant and generally needs only occasional supplemental watering during prolonged dry spells. Avoid planting in poorly drained or waterlogged sites, since it has little tolerance for anaerobic soil conditions. Deep, infrequent watering is better than frequent shallow irrigation.
Fertilizing
Sassafras usually does not need much fertilizer, especially in average garden soils, since its fertility requirement is low. If growth seems weak in very poor soil, a light application of a balanced, slow-release fertilizer in early spring can help young trees. Overfertilizing can encourage overly soft growth and is usually unnecessary for established specimens. A yearly layer of compost or leaf mold is often enough to support healthy growth naturally.
Pruning
Prune sassafras while the tree is dormant in late winter to remove dead, damaged, or crossing branches. Young trees can benefit from light structural pruning to encourage a strong central form, even though mature trees often develop an irregular shape. Remove unwanted root suckers if you want to maintain a single-trunk specimen rather than a thicket. Avoid heavy pruning, which can stress the tree and spoil its natural character.
Common Problems
Root rot
Cause: Poor drainage or prolonged soggy soil around the roots.
Solution: Plant in well-drained soil and avoid overwatering, especially after the tree is established. Improve drainage before planting if the site stays wet.
Transplant shock
Cause: Disturbance to the root system, especially on older trees with deep roots.
Solution: Plant young container or bare-root trees and water consistently during establishment. Avoid moving established trees whenever possible.
Suckering spread
Cause: Natural production of root suckers from the underground root system.
Solution: Cut or dig out unwanted suckers promptly if you want a tidier, single-trunk tree. Allow them to remain only where colony growth is desired.
Leaf scorch in drought during establishment
Cause: Insufficient water while young trees are still developing roots.
Solution: Provide deep watering during extended dry periods in the first year or two. Apply mulch to conserve soil moisture.
Deer browsing on young growth
Cause: Wildlife feeding on tender shoots and leaves.
Solution: Protect young trees with fencing or tree guards until they are large enough to tolerate minor browsing.