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Irish Moss

Sagina subulata, Caryophyllaceae

Zones
4a–8b
Layer
Ground Cover
Lifespan
Perennial
Growth
Slow

Guild Roles

Ground Cover

Growing Conditions

Sun

Partial Sun (optimal)Partial Shade (acceptable)

Water

ModerateModerate

Soil pH

5 – 6.5

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Corsican MintMentha requienii
Beneficial Insect Habitat
MazusMazus reptans
Pollinator SharingBeneficial Insect Habitat

Antagonistic Plants

Gill-Over-The-GroundGlechoma hederacea

Gill-over-the-ground's aggressive spreading may overwhelm delicate Irish moss

OrchardgrassDactylis glomerata

Vigorous orchardgrass can smother delicate moss-like groundcover

Uses

Functions

Soil StabilizationGround Cover

Common Questions

What zones does Irish Moss grow in?

Irish Moss grows in USDA hardiness zones 4a through 8b.

What are good companion plants for Irish Moss?

Good companions for Irish Moss include Corsican Mint, Mazus.

Design guilds with Irish Moss and see companion relationships visually.

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