Pruning guide
How to prune salvinia molesta
More salvinia molesta care
Pruning salvinia molesta — FAQ
When should I prune salvinia molesta?
Year-round wherever grown; most vigorous in summer. Net or hand-remove excess floating mats frequently. Never allow it to form complete surface coverage. Dispose of all removed material by drying and binning — never pour down drains or into waterways.
How often does salvinia molesta need pruning?
Weekly to fortnightly during warm months. Salvinia molesta (giant salvinia) needs aggressive thinning rather than pruning — it is one of the world's most invasive aquatic weeds and can double in days. Remove excess plants frequently by net or hand to prevent mat formation. Check local regulations: it is banned or restricted in many countries.
How do you prune salvinia molesta?
Net or hand-remove excess floating mats frequently. Never allow it to form complete surface coverage. Dispose of all removed material by drying and binning — never pour down drains or into waterways.