North America Native Plant

Ciliate Reindeer Lichen

Botanical name: Cladina ciliata

USDA symbol: CLCI60

Habit: lichen

Native status: Native to North America  

Ciliate Reindeer Lichen: A Fascinating Arctic Beauty for Cool Climate Gardens If you’ve ever wondered about those peculiar, branched, silvery-white formations you might spot in northern forests or tundra landscapes, you’ve likely encountered a lichen. Meet the ciliate reindeer lichen (Cladina ciliata), a remarkable organism that’s neither plant nor animal, ...

Ciliate Reindeer Lichen: A Fascinating Arctic Beauty for Cool Climate Gardens

If you’ve ever wondered about those peculiar, branched, silvery-white formations you might spot in northern forests or tundra landscapes, you’ve likely encountered a lichen. Meet the ciliate reindeer lichen (Cladina ciliata), a remarkable organism that’s neither plant nor animal, but something wonderfully unique that could add an otherworldly charm to the right garden setting.

What Exactly Is Ciliate Reindeer Lichen?

Before we dive into whether this fascinating organism belongs in your garden, let’s clear up what it actually is. Cladina ciliata isn’t a traditional plant at all—it’s a lichen, which is essentially a partnership between a fungus and algae living together in perfect harmony. This collaboration creates those distinctive pale gray to whitish, intricately branched structures that look almost like tiny coral formations or miniature antlers.

The ciliate reindeer lichen forms dense, cushion-like mats that can spread across the ground, creating an almost ethereal carpet in the right conditions. Its branched structure is what gives it that characteristic reindeer antler appearance that inspired its common name.

Where Does It Call Home?

This hardy little organism is native to North America, specifically thriving in the boreal and subarctic regions. You’ll find it naturally occurring throughout northern Canada, Alaska, and occasionally in the northern reaches of the continental United States. It’s perfectly at home in some of the harshest climates on Earth, making it an incredibly resilient addition to cold climate gardens.

Is It Beneficial for Your Garden?

Here’s where things get interesting for gardeners in cooler climates. While ciliate reindeer lichen won’t provide the traditional benefits you might expect from flowering plants, it offers some unique advantages:

  • Air quality indicator: Lichens are extremely sensitive to air pollution, so their presence indicates clean, healthy air
  • Soil stabilization: The mat-forming growth helps prevent soil erosion
  • Unique aesthetic appeal: Creates an otherworldly, almost fairy-tale appearance in naturalistic garden settings
  • Low maintenance: Once established, requires virtually no care
  • Year-round interest: Maintains its appearance through all seasons

Identifying Ciliate Reindeer Lichen

Spotting Cladina ciliata in the wild (or potentially in your garden) is relatively straightforward once you know what to look for:

  • Color: Pale gray to whitish, sometimes with slight yellowish tints
  • Structure: Highly branched, resembling tiny antlers or coral
  • Growth pattern: Forms dense, cushion-like mats close to the ground
  • Texture: Brittle when dry, slightly flexible when moist
  • Height: Typically grows 2-4 inches tall

Can You Actually Grow It?

Here’s the fascinating catch: you can’t really plant ciliate reindeer lichen in the traditional sense. This isn’t something you’ll find at your local garden center, and you can’t simply scatter seeds or transplant divisions. Lichens establish themselves naturally when environmental conditions are just right.

However, if you live in USDA hardiness zones 1-5 and want to encourage lichen growth in your garden, you can create favorable conditions:

  • Maintain excellent air quality: Avoid pesticides and chemical treatments
  • Provide acidic surfaces: Lichens prefer acidic substrates like certain rocks or aged wood
  • Ensure good drainage: While they need moisture, they don’t tolerate waterlogged conditions
  • Create cool, humid microclimates: Areas with partial shade and good air circulation work best
  • Be patient: Lichen establishment is a slow, natural process that can take years

Garden Design Considerations

If you’re lucky enough to have ciliate reindeer lichen establish itself in your garden, or if you’re gardening in an area where it occurs naturally, consider these design approaches:

  • Naturalistic gardens: Perfect for creating authentic boreal forest or tundra landscapes
  • Rock gardens: Complements stone features beautifully
  • Woodland gardens: Adds authentic forest floor character
  • Winter interest: Provides subtle color and texture when other plants are dormant

The Bottom Line

Ciliate reindeer lichen is a remarkable organism that brings a touch of the Arctic to cold climate gardens. While you can’t plant it like a traditional perennial, creating the right conditions might encourage its natural establishment. If you’re gardening in zones 1-5 and want to embrace truly native, low-maintenance groundcover that speaks to the wild beauty of North America’s northern landscapes, keeping an eye out for this fascinating lichen could add an unexpected and delightful element to your outdoor space.

Remember, the best approach is to work with nature rather than against it. If conditions in your garden aren’t suitable for ciliate reindeer lichen, that’s perfectly fine—there are plenty of other native plants that will thrive in your specific environment and provide similar ground-covering benefits.

Ciliate Reindeer Lichen

Classification

Group

Lichen

Kingdom

Fungi - Fungi

Subkingdom
Superdivision
Division

Ascomycota - Sac fungi

Subdivision
Class

Ascomycetes

Subclass
Order

Lecanorales

Family

Cladoniaceae Zenker

Genus

Cladina (Nyl.) Nyl. - reindeer lichen

Species

Cladina ciliata (Stirt.) Trass - ciliate reindeer lichen

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA