Sagina subulata

Sagina subulata (Irish Moss) is a prostrate herbaceous evergreen perennial forming a dense, compact mat of ground-hugging, emerald-green foliage. Tufts of narrow, awl-shaped leaves cover the thin, creeping stems. Tiny star-shaped flowers held above the foliage on thin stalks appear sporadically throughout the growing season. They give way to small, smooth, brown, triangular seeds in oblong capsules. Use Irish Moss where a very low, fine-textured carpet of green is desired, such as around stepping stones, between flagstones, or at the edges of a path as they tolerate light foot traffic. This plant can be used as a lawn grass substitute.

• Grows only 1-2 in. tall (2-5 cm) and will spread indefinitely. Will readily self-sow where happy, but is easy to remove if undesired.
• Best in full sun or part shade, in evenly moist, well-drained soils.
• Fertilize sparingly to keep the plant compact. High nitrogen levels can induce excessive growth so the plants become mounded rather than forming a carpet.
• Great choice for rock gardens, containers, or as groundcover.
• Generally pest and disease free. Keep an eye out for slugs. Susceptible to browning out with insufficient or excessive water.
• Mow plantings before the flowers fade to reduce self-sowing.
• Propagate from seed or division. Seeds will take 2-3 weeks to germinate.
• Native of western and central Europe.

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Requirement
Hardiness	4,5,6,7,8
Heat Zones	3,4,5,6,7
Climate Zones	1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 1B, 2A, 2B, 3A, 1A, 3B
Plant Type	Perennials
Plant Family	Caryophyllaceae
Exposure	Full Sun, Partial Sun
Season of Interest	Spring, Summer, Fall, Winter, Early Spring, Mid Spring, Late Spring, Early Summer, Mid Summer, Late Summer
Height	1' - 2'
Spread	< 1'
Water Needs	Low, Average
Maintenance	Low
Soil Type	Chalk, Loam, Sand
Characteristics	Plant of Merit, Showy, Evergreen
Garden Styles	Gravel and Rock Garden
Planting Place	Ground Covers, Patio and Containers