These trees should be thinned to wider spacings as they mature. Good initial land preparation and weed control are extremely important. Environment and Soil. Leucaena thrives in semi-arid to wet tropics, with best performance when moisture is not limiting. It does not tolerate frost, though frost-burned plants will regrow.
Different provenances perform better in different conditions, and provenance trials are advised.
Pests and Diseases. Insect or disease controls have not been advised for leucaena. Young seedlings require protection from browsing animals. Root rot occurs in poorly drained sites. Harvesting Seeds .