Both honey locust and black locust trees respond well when young to an autumn application of compost, aged manure paired with bone meal, or to commercially-prepared tree fertilizer, usually 10-10-10. All locust trees are extremely tolerant of poor soil conditions.
About this Author
Melissa Jordan-Reilly has been a writer for 20 years, both as a newspaper reporter and as an editor of nonprofit newsletters. Among the publications in which she has published are, "The Winsted Journal," "Taconic" and "Compass Magazine." A graduate of the University of Connecticut, Jordan-Reilly also pursues sustainable agriculture techniques and tends a market garden at her Northwestern Connecticut home.