Care at a glance
A serrated-leaf stem plant that flushes deep purple-red on the underside of each leaf when grown under high light. Aromatic when crushed (it is the Vietnamese herb 'rice paddy herb' grown emersed). Trim weekly to encourage side shoots.
Updated 1 min read
Part of our complete guide to the planted aquarium.
Leaves yellowing, pitting, or new growth coming in pale or twisted? Work out what it’s short of in our plant deficiency guide.







