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- Irish Moss-Sagina subulata Hardy Planting Zones- 4-8 Sun or Shade – Full Sun to Partial Shade Mature Height - 1-2" Mature Width- 12" Bloom Season – Late Spring-Summer Gardener Status- Beginner
Irish Moss - Sagina Subulata
The Beautiful Irish Moss Plant
Irish Moss does well in American zones 4-10. During the colder months of the year, the plant will become dormant until the last frost has passed. It's recommended to plant Irish Moss in late spring when any signs of frost are gone. Plants should be spaced 12 inches apart to allow for adequate growth. Because Irish Moss tends to spread and fill barren areas, you can expect the plant to grow roughly six to eight inches per year. Despite being a more widespread plant, the moss itself only gets one to two inches high, so it is more of a low-lying plant and ideal for coverage rather than to add height to your garden. Even a small amount of Irish Moss can grow to cover an entire garden, and many people use the plant in between pavers to add a lush and gorgeous touch to their homes or businesses.
Irish moss is a deep green low-lying foliage that works well in between stone pavers and as a ground cover for hillside landscape design. This sun-loving member of the algae family requires regular watering and bears an abundance of tiny white flowers in the spring. This moderately quick grower reaches heights of just about an inch, making it an ideal addition around pathways and fences where mowing isn’t an option, and light foot traffic is likely. Irish moss is an evergreen and does well in temperate climates.