North America Native Plant

Chamisso’s Lousewort

Botanical name: Pedicularis chamissonis

USDA symbol: PECH

Life cycle: perennial

Habit: forb

Native status: Native to Alaska  

Synonyms: Pedicularis romanzovii Cham. ex Spreng. (PERO9)   

Chamisso’s Lousewort: A Charming Alaska Native for Wetland Gardens If you’re looking to add a touch of Alaska’s wild beauty to your wetland garden, Chamisso’s lousewort (Pedicularis chamissonis) might be just the plant you need. This delightful native perennial brings unique charm to specialized garden settings, though it’s definitely not ...

Chamisso’s Lousewort: A Charming Alaska Native for Wetland Gardens

If you’re looking to add a touch of Alaska’s wild beauty to your wetland garden, Chamisso’s lousewort (Pedicularis chamissonis) might be just the plant you need. This delightful native perennial brings unique charm to specialized garden settings, though it’s definitely not your average backyard flower!

What Makes Chamisso’s Lousewort Special?

This lovely Alaska native is a true wetland specialist. As an obligate wetland plant, Chamisso’s lousewort almost always occurs in wet conditions in its natural habitat. The plant produces small, tubular flowers in shades of pink to purple that are arranged in attractive terminal spikes, creating a delicate display that’s sure to catch the eye of anyone who appreciates subtle wildflower beauty.

As a perennial forb (that’s botanist-speak for a non-woody herbaceous plant), this species comes back year after year, making it a worthwhile investment for the right garden setting.

Where Does It Grow Naturally?

Chamisso’s lousewort is exclusively native to Alaska, where it thrives in the state’s unique wetland environments. This makes it a fantastic choice for gardeners in Alaska who want to showcase their region’s natural heritage, or for specialty gardeners elsewhere who are creating authentic Alaska-themed landscapes.

Is Chamisso’s Lousewort Right for Your Garden?

Let’s be honest – this isn’t a plant for every garden! Here’s what you need to know:

Perfect For:

  • Wetland and bog gardens
  • Rain gardens in appropriate climates
  • Native plant enthusiasts focusing on Alaska flora
  • Specialized collectors of unique perennials
  • Gardens in extremely cold climates (likely USDA zones 1-4)

Not Ideal For:

  • Traditional perennial borders
  • Dry or well-drained garden beds
  • Warm climate gardens
  • Low-maintenance landscapes

Growing Conditions and Care

Successfully growing Chamisso’s lousewort requires mimicking its natural Alaska wetland habitat:

  • Moisture: Consistently moist to wet soil conditions are absolutely essential
  • Light: Partial shade to full sun, depending on moisture levels
  • Temperature: Cool conditions year-round; this plant is adapted to Alaska’s climate
  • Soil: Tolerates various soil types as long as they remain consistently wet
  • Hardiness: Extremely cold-hardy, likely suitable for zones 1-4

Planting and Care Tips

Growing Chamisso’s lousewort successfully requires dedication to providing the right conditions:

  • Ensure your garden has a reliable water source to maintain constant moisture
  • Consider installing in constructed wetlands or bog gardens
  • Source plants responsibly from reputable native plant suppliers
  • Be patient – specialized plants like this may take time to establish
  • Avoid fertilizing, as wetland plants are adapted to nutrient-poor conditions

Wildlife and Pollinator Benefits

While specific data on wildlife benefits is limited, Chamisso’s lousewort likely provides nectar for small pollinators such as native bees and other insects. As part of Alaska’s natural ecosystem, it contributes to the complex web of native plant-pollinator relationships that support local wildlife.

The Bottom Line

Chamisso’s lousewort is a specialized beauty that rewards dedicated gardeners willing to create the right conditions. If you have the space, climate, and commitment to maintain a wetland garden environment, this Alaska native can provide years of unique floral interest. However, if you’re looking for an easy-care addition to a typical garden bed, you might want to explore other native options that are better suited to conventional growing conditions.

For those up to the challenge, successfully growing this distinctive Alaska native can be incredibly rewarding – just don’t expect it to be a low-maintenance addition to your plant collection!

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" matching plants to their ideal growing conditions, so they'll thrive with less work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Alaska

OBL

Obligate Wetland - Plants with this status almost always occurs in wetlands

Chamisso’s 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 chamissonis Stev. - Chamisso's lousewort

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