Cogongrass is highly drought-tolerant once established. Water sparingly during prolonged dry periods, but avoid overwatering, which can lead to root rot.

Allow the soil to dry out completely between waterings to promote healthy root development and prevent fungal issues.

Pruning is primarily for containment and management rather than plant health. Cut back any encroaching runners or overhanging foliage to prevent spread.

In ornamental settings, remove dead or unsightly foliage at any time of year to maintain appearance.

Cogongrass primarily propagates vegetatively through its extensive rhizomes and stolons, making it highly invasive. It can also spread via seed, especially in disturbed areas.

Division of rhizomes is the most effective method for propagation, if intended.

Repotting is generally not applicable to cogongrass as it is typically grown in the ground and is considered an invasive weed. If grown in a container for experimental or control purposes, repotting would involve carefully dividing rhizomes into smaller sections.