North America Native Plant

Menzies’ Campion

Botanical name: Silene menziesii williamsii

USDA symbol: SIMEW

Life cycle: perennial

Habit: forb

Native status: Native to Alaska âš˜ Native to Canada  

Synonyms: Silene menziesii Hook. var. williamsii (Britton) B. Boivin (SIMEW2)  âš˜  Silene williamsii Britton (SIWI)   

Menzies’ Campion: A Hardy Arctic Native for Cold Climate Gardens If you’re gardening in the far north and looking for a truly native wildflower that can handle whatever winter throws at it, let me introduce you to Menzies’ campion (Silene menziesii williamsii). This little Arctic gem might just be the ...

Menzies’ Campion: A Hardy Arctic Native for Cold Climate Gardens

If you’re gardening in the far north and looking for a truly native wildflower that can handle whatever winter throws at it, let me introduce you to Menzies’ campion (Silene menziesii williamsii). This little Arctic gem might just be the perfect addition to your cold-climate garden – if you can meet its very specific needs!

What is Menzies’ Campion?

Menzies’ campion is a perennial forb, which is just a fancy way of saying it’s a non-woody flowering plant that comes back year after year. Don’t let the simple description fool you though – this plant is tough as nails and built to survive in some of the harshest conditions on the continent.

You might also see this plant listed under its synonyms Silene menziesii var. williamsii or Silene williamsii in some older references, but they’re all referring to the same resilient little wildflower.

Where Does It Come From?

This campion is a true northerner, native to Alaska and Canada’s Yukon Territory. It’s specifically adapted to subarctic and arctic conditions, making it one of the most cold-hardy flowering plants you can find. In the wild, you’ll find it growing in Alaska and Yukon, where it has evolved to thrive in extreme cold and short growing seasons.

What Does It Look Like?

Menzies’ campion produces delicate white to pale pink flowers with five deeply notched petals that give them a fringed appearance. The flowers may be small, but they’re perfectly formed and create a charming display against the plant’s compact, low-growing form. This is definitely a stop and admire the details kind of plant rather than a bold statement maker.

Should You Plant It?

Here’s where things get interesting – and challenging. While Menzies’ campion is absolutely gorgeous and wonderfully native, it’s not for every gardener or every garden.

The Good News:

  • Extremely hardy (USDA zones 1-4)
  • Native to North America’s northernmost regions
  • Likely provides nectar for cold-adapted pollinators like small flies and moths
  • Perfect for authentic arctic and subarctic native plant gardens
  • Low maintenance once established in the right conditions

The Challenges:

  • Requires very specific growing conditions that are hard to replicate
  • Only suitable for the coldest climate zones
  • May struggle in areas with hot summers or poor drainage
  • Limited availability from nurseries

Perfect Garden Settings

If you’re up for the challenge, Menzies’ campion shines in:

  • Alpine and rock gardens with excellent drainage
  • Cold climate native plant gardens
  • Naturalized areas that mimic arctic tundra conditions
  • Specialized collections of extreme cold-hardy plants

Growing Conditions

Success with Menzies’ campion is all about recreating its native arctic environment:

  • Soil: Well-draining, sandy or rocky soil is essential – think mountain scree rather than garden loam
  • Sun: Full sun exposure
  • Water: Moderate moisture during growing season, but never waterlogged
  • Temperature: Requires cold winters and cool summers
  • Hardiness: Zones 1-4 only

Planting and Care Tips

If you’re determined to grow this arctic beauty, here’s how to give it the best shot:

  • Plant in raised beds or rock gardens with exceptional drainage
  • Add plenty of coarse sand and small gravel to improve soil drainage
  • Avoid fertilizing – these plants are adapted to nutrient-poor soils
  • If starting from seed, they’ll likely need cold stratification to germinate
  • Be patient – arctic plants often grow slowly
  • Protect from hot, drying winds in summer

The Bottom Line

Menzies’ campion is a specialized plant for specialized gardeners. If you’re gardening in Alaska, northern Canada, or similar extreme climates, and you’re passionate about growing true native plants, this little campion could be a wonderful addition to your garden. However, if you’re looking for an easy-care perennial for more temperate climates, you’ll probably want to look elsewhere.

For most gardeners, appreciating this plant in its natural habitat or in specialized botanical collections might be more practical than trying to grow it at home. But for those arctic and subarctic gardeners looking to celebrate their region’s unique flora – this tough little native is definitely worth considering!

Menzies’ Campion

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 menziesii Hook. - Menzies' campion

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