How to Fertilize slender club-rush?
Balanced perennial feed every four weeks from spring through summer

slender club-rush · Isolepis cernua
Also known as: Dougal grass; drooping rush; optical fibre plant
Grow in full sun or light shade as a marginal pond plant in 2-8cm of water, in damp or wet soil in a bog garden, or in a very well-watered container
Balanced perennial feed every four weeks from spring through summer