North America Native Plant

Sudetic Lousewort

Botanical name: Pedicularis sudetica

USDA symbol: PESU

Life cycle: perennial

Habit: forb

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

Sudetic Lousewort: A Hardy Alpine Beauty for Northern Gardens If you’re looking for a unique native perennial that thrives in cooler climates, sudetic lousewort (Pedicularis sudetica) might just be the perfect addition to your garden. This charming alpine plant brings a touch of wilderness beauty to specialized garden settings, though ...

Sudetic Lousewort: A Hardy Alpine Beauty for Northern Gardens

If you’re looking for a unique native perennial that thrives in cooler climates, sudetic lousewort (Pedicularis sudetica) might just be the perfect addition to your garden. This charming alpine plant brings a touch of wilderness beauty to specialized garden settings, though it’s definitely not your typical backyard flower.

What is Sudetic Lousewort?

Sudetic lousewort is a perennial forb native to some of the most pristine wilderness areas across North America. As a member of the snapdragon family, this hardy little plant has adapted to survive in some pretty tough conditions, making it a fascinating choice for adventurous gardeners who want to recreate alpine environments in their own spaces.

Where Does It Call Home?

This resilient native plant has an impressive range across the northern regions of North America. You’ll find sudetic lousewort growing naturally in Alaska, across various Canadian provinces including Alberta, British Columbia, Manitoba, Ontario, Quebec, Yukon, Northwest Territories, and Nunavut. It also extends into Greenland and can be found in select mountainous areas of the lower 48 states, including Colorado, New Mexico, and Wyoming.

Why Choose Sudetic Lousewort for Your Garden?

Here are some compelling reasons to consider this unique native plant:

  • True native credentials: Supporting local ecosystems by choosing plants that naturally belong in your region
  • Exceptional cold hardiness: Thrives in USDA zones 2-6, perfect for northern gardeners
  • Pollinator magnet: Attracts bumblebees and other cold-adapted native pollinators
  • Distinctive appearance: Offers attractive ferny foliage and clusters of small yellow flowers
  • Low maintenance: Once established, requires minimal intervention

Perfect Garden Settings

Sudetic lousewort isn’t suited for every garden style, but it shines in these specific settings:

  • Alpine and rock gardens
  • Native plant collections
  • Naturalistic mountain-style landscapes
  • Cool-climate wildflower meadows
  • Specialized northern garden designs

Growing Conditions: What Does It Need?

Success with sudetic lousewort requires understanding its natural habitat preferences:

  • Temperature: Prefers cool conditions; struggles in hot, humid climates
  • Moisture: Needs consistent moisture but excellent drainage
  • Sunlight: Partial shade to full sun, depending on local climate
  • Soil: Well-draining, slightly acidic to neutral soil
  • Climate: Best suited for areas with cool summers and cold winters

Planting and Care Tips

Growing sudetic lousewort successfully requires some special considerations:

  • Site selection: Choose a cool, moist location with good air circulation
  • Soil preparation: Ensure excellent drainage while maintaining consistent moisture
  • Watering: Keep soil evenly moist, especially during dry periods
  • Special note: This plant may be semi-parasitic, potentially benefiting from the presence of grasses or other host plants
  • Winter care: Extremely cold-hardy; no special winter protection needed in appropriate zones

Is Sudetic Lousewort Right for Your Garden?

This plant is definitely a specialist choice rather than a general garden staple. Consider sudetic lousewort if you:

  • Live in a cooler climate (zones 2-6)
  • Enjoy creating specialized garden environments
  • Are passionate about native plants
  • Want to support cold-adapted pollinators
  • Have experience with alpine or rock garden plants

However, you might want to skip this one if you’re looking for a low-maintenance perennial for typical mixed borders or live in warmer climates where it won’t thrive.

Supporting Northern Ecosystems

By choosing native plants like sudetic lousewort, you’re not just adding unique beauty to your garden—you’re also supporting the complex web of relationships that make northern ecosystems thrive. This plant provides nectar for specialized pollinators and contributes to the authentic character of northern landscapes.

While sudetic lousewort may not be the easiest plant to grow or the most widely available, it offers something special for gardeners who want to connect with the wild beauty of northern alpine regions. If you’re up for the challenge and have the right growing conditions, this hardy native can bring a piece of wilderness magic right to your backyard.

Sudetic 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 sudetica Willd. - sudetic lousewort

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