How to prune vallisneria spiralis

Year-round as needed when leaves exceed desired height. Use sharp aquarium scissors to cut individual leaves to your preferred length. Remove dead or brown leaves by snipping cleanly at the base. Thin out runners regularly to control spread.

Every 2–4 weeks during active growth. Vallisneria spiralis is an aquatic grass that grows continuously and needs regular trimming to stay manageable. Cut individual leaves with scissors at the desired height — the leaf will regrow from the base. Remove yellowing or damaged leaves at the base. Without trimming, it can take over an aquarium rapidly.

Use sharp aquarium scissors to cut individual leaves to your preferred length. Remove dead or brown leaves by snipping cleanly at the base. Thin out runners regularly to control spread.