Native Plants

Chamisso’s Lousewort

Pedicularis chamissonis

USDA symbol: PECH

perennial forb

Alaska: native

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! This lovely Alaska native is ...

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.

  • Species observed
  • No observations

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!

Pedicularis chamissonis is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Pedicularis chamissonis is also known as:

Pedicularis romanzovii ex | USDA symbol: PERO9

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

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 care and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection can be if you don't have the right information. While tags on nursery plants 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. You might be surprised to learn that popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. The table below gives insight into the preferred growing conditions of this plant throughout its geographical distribution.

Region
Preferred Habitat

Alaska ()

Obligate Wetland
Wetland Glossary
Obligate Wetland
Facultative Wetland
Facultative
Facultative Upland
Obligate Upland
Almost always occurs in wetlands
Usually occurs in wetlands but may occur in non-wetlands
Can occur in wetlands and non-wetlands
Usually occurs in non-wetlands but may occur in wetlands
Almost never occurs in wetlands

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
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