Perennials

Sagina subulata

Irish moss

species photograph. Flowers. Surrounding plants are not included.

Tiny green leaves create a mosslike mat dotted with little white flowers. A flowering plant, not a true moss. It may thin in hot, humid summers and recover in fall.

At a glance

Sun: Full sun to part shade
Mature size: Up to 1 in. tall × 6–12 in. wide
Water: Evenly moist, not soggy
Hardiness: USDA zones 3–9
Bloom: White; late spring–summer.

Sizes & prices

4.5Call for price

Catalog updated September 8, 2026. This is not a live stock count; please call to confirm availability and price.

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Resistance & tolerances

Deer: Resistant, not browse-proof.
Drought: Dislikes drying out.
Wet soil: Dislikes soggy ground.
Clay soil: Suitable with appropriate drainage.
Traffic: Light to moderate foot traffic.

Resistance is not a guarantee; deer and rabbits may browse any plant.

Growing & care

Division: Divide patches in spring or fall.

Sources & photo credits

Perennials.com

Photo: Salicyna · CC BY-SA 4.0

Image notes: species photograph. Flowers. Uncropped. Surrounding plants are not included.

Reviewed September 19, 2026. Growing conditions vary by location.