How to Fertilize black twitch?
Balanced perennial feed every four weeks from spring through summer

black twitch · Alopecurus myosuroides
Also known as: hunger grass; lamb's tail grass; land grass; mouse-tail grass; slender foxtail; black grass
Grows well in any moist, well-drained, fertile soil. Considered a weed in the UK. See coarse grass for further advice
Balanced perennial feed every four weeks from spring through summer