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Horizontal Dog Lichen

Peltigera horizontalis, Peltigeraceae

Zones
3–8
Layer
Root
Lifespan
Perennial
Growth
Slow

Guild Roles

Nitrogen FixerGround CoverProducer

Growing Conditions

Sun

Partial Shade (preferred)

Water

Moderate (established)High (seedling)

Soil pH

6 – 8

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Pendulous SedgeCarex pendula
Nitrogen FixationNutrient Accumulation
Tama BambooDendrocalamus hamiltonii
Shade ProvisionNutrient Accumulation

Antagonistic Plants

Hooded Iceland MossCetraria cucullata

Ground-dwelling lichens compete for space and optimal moisture conditions in shared habitats

White-veined Dog LichenPeltigera leucophlebia

Closely related dog lichens compete for substrate space and optimal light conditions

Uses

Functions

Nitrogen FixationSoil StabilizationErosion ControlAir Purification

Medicinal Uses

Wound HealingAntimicrobial

Common Questions

What zones does Horizontal Dog Lichen grow in?

Horizontal Dog Lichen grows in USDA hardiness zones 3 through 8.

Is Horizontal Dog Lichen a nitrogen fixer?

Yes, Horizontal Dog Lichen is a nitrogen fixer and can help provide nitrogen to neighboring plants in a guild or polyculture.

What are good companion plants for Horizontal Dog Lichen?

Good companions for Horizontal Dog Lichen include Pendulous Sedge, Tama Bamboo.

Design guilds with Horizontal Dog Lichen and see companion relationships visually.

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