Lettuce Lichen

Lobaria oregana, Lobariaceae

Zones

6–9

Layer

Root

Lifespan

Perennial

Growth

Slow

Guild Roles

Nitrogen FixerBeneficial Insect Habitat

Growing Conditions

Sun

Partial Shade (preferred)Full Shade (tolerated)

Water

High (established)High (fruiting)

Soil pH

5.5 – 7.5

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

Pacific PlumPrunus subcordata

Nitrogen Fixation

Iceland MossCetraria islandica

Nitrogen FixationNutrient Accumulation

Golden SpecklebellyPseudocyphellaria crocata

Nitrogen FixationNurse Plant

Antagonistic Plants

Fringed Pelt LichenPeltigera praetextata

Large foliose lichens competing for space and light on tree trunks and forest floor

Old Man's Beard LichenUsnea longissima

Epiphytic lichens competing for optimal light exposure and space on tree surfaces

Uses

Functions

Nitrogen FixationAir Quality IndicatorEpiphytic EcosystemCanopy Soil Building

Medicinal Uses

Respiratory SupportWound HealingAntimicrobial

Common Questions

What zones does Lettuce Lichen grow in?

Lettuce Lichen grows in USDA hardiness zones 6 through 9.

Is Lettuce Lichen a nitrogen fixer?

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

What are good companion plants for Lettuce Lichen?

Good companions for Lettuce Lichen include Pacific Plum, Iceland Moss, Golden Specklebelly.

Design guilds with Lettuce Lichen and see companion relationships visually.

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