How to grow irish moss

When to plant irish moss

Irish moss is a low, evergreen, moss-like groundcover that forms a dense green mat and bears tiny white daisy-like flowers in spring and early summer (NC State). Plant in spring in cool, moist, acid-to-neutral, rocky or sandy soil in full sun with some midday shade; most of its growth happens in the cool, moist weather of spring, and it dislikes intense heat, drought, and overwatering.

Irish Moss is timed by season rather than your frost dates, so the planting calendar does not generate ZIP-specific dates for it. Check the cited sources below to fine-tune for your area.