North America Native Plant

Arctic Catchfly

Botanical name: Silene involucrata

USDA symbol: SIIN4

Life cycle: perennial

Habit: forb

Native status: Native to Alaska âš˜ Native to Canada âš˜ Native to Greenland  

Arctic Catchfly: A Hardy Native for Cold Climate Gardens If you’re gardening in the far north and looking for a truly cold-hardy native plant that laughs in the face of harsh winters, meet the arctic catchfly (Silene involucrata). This plucky little perennial is about as tough as they come, thriving ...

Arctic Catchfly: A Hardy Native for Cold Climate Gardens

If you’re gardening in the far north and looking for a truly cold-hardy native plant that laughs in the face of harsh winters, meet the arctic catchfly (Silene involucrata). This plucky little perennial is about as tough as they come, thriving in conditions that would make most garden plants throw in the trowel.

What Is Arctic Catchfly?

Arctic catchfly is a low-growing perennial forb – that’s gardening speak for a non-woody plant that comes back year after year. Don’t let its delicate appearance fool you; this plant is built for survival in some of the world’s harshest climates. It forms compact, cushion-like mats of narrow leaves topped with clusters of small white to pale pink flowers that have distinctively notched petals, giving them a charming, almost lacy appearance.

Where Does It Call Home?

This native beauty hails from the arctic and subarctic regions of North America, including Alaska, northern Canada, and Greenland. You’ll find it naturally growing across Alberta, British Columbia, Alaska, Manitoba, Ontario, Quebec, Yukon, Northwest Territories, Nunavut, and Labrador. It’s perfectly adapted to life in the tundra and alpine zones where summers are brief and winters are long and brutal.

Why Grow Arctic Catchfly?

Here are some compelling reasons to consider adding this northern native to your garden:

  • Extremely cold hardy (USDA zones 1-4) – perfect for northern gardeners
  • Low maintenance once established
  • Drought tolerant despite its arctic origins
  • Supports native pollinators adapted to cold climates
  • Unique aesthetic appeal with its cushioned growth form
  • Excellent for rock gardens and alpine plantings

Garden Design Role and Landscape Uses

Arctic catchfly shines as a ground cover in specialized garden settings. It’s perfect for:

  • Rock gardens where it can nestle between stones
  • Alpine gardens mimicking mountain conditions
  • Native plant gardens in northern regions
  • Xeriscaping projects in cold climates
  • Naturalized areas where you want to recreate tundra-like conditions

The plant typically stays quite low, forming spreading mats that work beautifully as living mulch around taller native plants or as accent plantings in minimalist landscape designs.

Growing Conditions and Care

Success with arctic catchfly comes down to understanding its wild origins. This plant expects:

  • Drainage: Excellent drainage is non-negotiable – think sandy or rocky soils
  • Sun exposure: Full sun conditions
  • Temperature: Cool temperatures and cold winters
  • Soil: Poor to moderately fertile soils (it’s not picky about nutrients)
  • Water: Minimal watering once established

Planting and Care Tips

Getting started with arctic catchfly requires a bit of patience and attention to detail:

  • Plant in spring after the last hard frost
  • Ensure your planting site has perfect drainage – amend heavy soils with coarse sand or gravel
  • Space plants about 6-12 inches apart to allow for spreading
  • Water regularly during the first growing season to establish roots
  • Once established, water sparingly – overwatering is more dangerous than drought
  • Skip the fertilizer – this plant prefers lean conditions
  • In zones warmer than 3, provide some winter protection with a light mulch

Supporting Cold-Climate Pollinators

One of the best reasons to grow arctic catchfly is its value to native pollinators. The small flowers attract cold-adapted bees, flies, and butterflies that have co-evolved with this plant over thousands of years. By growing arctic catchfly, you’re providing essential nectar sources for these specialized pollinators that often struggle to find suitable native plants in cultivated landscapes.

Is Arctic Catchfly Right for Your Garden?

Arctic catchfly isn’t for everyone, but if you’re gardening in zones 1-4 and want to grow native plants that truly belong in your climate, this could be your new favorite. It’s particularly valuable for gardeners interested in creating authentic northern ecosystems or those who appreciate subtle, naturalistic beauty over flashy garden showstoppers.

Keep in mind that this plant may struggle in areas with hot summers or poor drainage, so southern gardeners should probably look elsewhere. But for northern gardeners seeking tough, native groundcovers that can handle whatever winter throws at them, arctic catchfly is hard to beat.

Arctic Catchfly

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Caryophyllidae

Order

Caryophyllales

Family

Caryophyllaceae Juss. - Pink family

Genus

Silene L. - catchfly

Species

Silene involucrata (Cham. & Schltdl.) Bocquet - arctic catchfly

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