Sesbania bispinosa thrives in consistently moist soil. Water deeply and regularly, especially during establishment and dry periods.

Allow the top few centimeters of soil to dry out slightly between waterings to prevent waterlogging, but avoid letting the plant wilt.

Pruning is typically done for harvesting purposes or to manage size. For fiber production, plants are usually cut near the base when mature.

Pruning can also be used to shape the plant or remove any dead or damaged branches, encouraging bushier growth if desired.

Sesbania bispinosa is easily propagated from seeds. Seeds can be sown directly into the ground after the last frost or started indoors a few weeks prior.

Scarification or soaking the seeds in warm water overnight can improve germination rates.

Repotting is generally not necessary for Sesbania bispinosa as it is often grown as an annual or for its fiber and harvested before needing to be repotted. If grown as a perennial or for ornamental purposes, repot when the plant becomes root-bound.