North America Native Plant

Coiled Lousewort

Botanical name: Pedicularis contorta var. contorta

USDA symbol: PECOC2

Life cycle: perennial

Habit: forb

Native status: Native to Canada âš˜ Native to the lower 48 states  

Coiled Lousewort: A Quirky Native Wildflower for Adventurous Gardeners If you’re looking for something truly unique to add to your native plant collection, meet coiled lousewort (Pedicularis contorta var. contorta). This charming little wildflower might have an unfortunate common name, but don’t let that fool you – it’s a fascinating ...

Coiled Lousewort: A Quirky Native Wildflower for Adventurous Gardeners

If you’re looking for something truly unique to add to your native plant collection, meet coiled lousewort (Pedicularis contorta var. contorta). This charming little wildflower might have an unfortunate common name, but don’t let that fool you – it’s a fascinating native perennial that brings both beauty and intrigue to the right garden setting.

What Makes Coiled Lousewort Special?

Coiled lousewort is a native North American perennial forb that belongs to the fascinating world of herbaceous wildflowers. As a forb, it lacks woody tissue and dies back to the ground each winter, returning fresh each spring from its perennial root system.

What really sets this plant apart is its distinctive flowers. The small, purple-pink blooms are arranged in dense spikes and have a characteristic twisted or coiled appearance that gives the plant its common name. Each individual flower has a unique hooked or curved shape that’s quite different from your typical garden flower.

Where Does It Grow Naturally?

This native beauty calls western North America home, thriving across a impressive range that includes Alberta, British Columbia, California, Idaho, Montana, Oregon, Utah, Washington, and Wyoming. You’ll typically find it in montane and subalpine regions, where it has adapted to cooler climates and well-draining mountain soils.

Should You Grow Coiled Lousewort in Your Garden?

Here’s where things get interesting – and a bit challenging. Coiled lousewort isn’t your typical garden center find, and there’s a good reason for that. This plant can be quite difficult to cultivate and may have specialized growing requirements that make it tricky for the average gardener.

Pros of growing coiled lousewort:

  • Unique, eye-catching flowers that are true conversation starters
  • Native plant that supports local ecosystems
  • Attracts specialized pollinators like bees
  • Perfect for naturalistic and alpine garden designs
  • Hardy perennial (USDA zones 3-7)

Challenges to consider:

  • Difficult to establish and maintain in cultivation
  • May have parasitic tendencies, relying on other plants for some nutrients
  • Specialized growing requirements that can be hard to replicate
  • Limited availability from nurseries

Growing Conditions and Care

If you’re determined to try growing coiled lousewort, here’s what you need to know. This mountain native prefers well-draining soils and can handle full sun to partial shade conditions. It’s adapted to cooler climates and is hardy in USDA zones 3-7, making it suitable for northern gardens and higher elevation sites.

The tricky part is that coiled lousewort may be partially parasitic, meaning it might depend on nearby plants for some of its nutritional needs. This can make it challenging to grow in isolation and explains why it’s rarely seen in traditional garden settings.

Best Uses in the Landscape

If you do decide to attempt growing coiled lousewort, it works best in:

  • Alpine and rock gardens
  • Naturalistic wildflower meadows
  • Native plant gardens
  • Specialty collections of unusual wildflowers

This isn’t a plant for formal borders or high-maintenance garden beds. Instead, think of it as a specialty addition to more naturalistic plantings where it can potentially find compatible companion plants.

The Bottom Line

Coiled lousewort is undoubtedly a fascinating native plant with unique ornamental value, but it’s definitely not for beginning gardeners or those looking for easy-care perennials. If you’re an experienced native plant gardener who enjoys a challenge and wants to support local pollinators with something truly unusual, this might be worth a try.

However, if you’re looking for easier native alternatives that provide similar wildlife benefits, consider other native wildflowers from your region that are more garden-friendly while still supporting local ecosystems.

Remember, the most successful native gardens often start with the easiest native plants and gradually work up to the more challenging species as your experience grows!

Coiled Lousewort

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Scrophulariales

Family

Scrophulariaceae Juss. - Figwort family

Genus

Pedicularis L. - lousewort

Species

Pedicularis contorta Benth. - coiled lousewort

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