North America Native Plant

Sudetic Lousewort

Botanical name: Pedicularis sudetica albolabiata

USDA symbol: PESUA

Life cycle: perennial

Habit: forb

Native status: Native to Alaska âš˜ Native to Greenland  

Synonyms: Pedicularis albolabiata (Hultén) Kozh. (PEAL12)  âš˜  Pedicularis sudetica Willd. var. bicolor Walp. (PESUB)   

Sudetic Lousewort: A Rare Arctic Native Worth Knowing If you’re drawn to unique native plants with interesting names, let me introduce you to sudetic lousewort (Pedicularis sudetica albolabiata). This Arctic beauty might not be on every gardener’s wishlist, but it has some fascinating qualities that make it worth understanding, even ...

Sudetic Lousewort: A Rare Arctic Native Worth Knowing

If you’re drawn to unique native plants with interesting names, let me introduce you to sudetic lousewort (Pedicularis sudetica albolabiata). This Arctic beauty might not be on every gardener’s wishlist, but it has some fascinating qualities that make it worth understanding, even if growing it presents some challenges.

What is Sudetic Lousewort?

Sudetic lousewort is a perennial forb native to the far reaches of Alaska and Greenland. As a forb, it’s a non-woody plant that lacks the thick, secondary growth you’d see in shrubs or trees. Instead, it survives harsh winters by keeping its growing points at or below ground level – a smart strategy for life in the Arctic!

You might also encounter this plant listed under its botanical synonyms: Pedicularis albolabiata or Pedicularis sudetica var. bicolor. The world of plant taxonomy can be quite the puzzle, especially with Arctic species that have limited study.

Where Does It Grow?

This hardy native calls Alaska home, thriving in the state’s challenging climate conditions. It’s also found in Greenland, giving you an idea of just how tough this little plant really is. In Alaska, you’ll typically find it in areas that are usually wet but can occasionally be dry – what botanists call facultative wetland conditions.

Should You Grow Sudetic Lousewort?

Here’s where things get interesting – and a bit challenging. While sudetic lousewort is undeniably a fascinating native plant, there’s limited information available about successfully cultivating this particular variety in home gardens. This isn’t necessarily a no, but rather a proceed with curiosity and realistic expectations.

The Challenges of Growing Arctic Natives

Arctic plants like sudetic lousewort have evolved for very specific conditions that can be difficult to replicate in most home gardens:

  • They’re adapted to extremely cold winters and cool, short summers
  • They often require specific soil conditions found in their native habitats
  • Seeds and plants can be challenging to source responsibly
  • Growing requirements for this specific variety are not well-documented

What We Do Know About Growing Conditions

Based on its native habitat and wetland status, sudetic lousewort likely prefers:

  • Cool, moist conditions
  • Well-draining soil that doesn’t stay waterlogged
  • A location that mimics its facultative wetland preferences
  • Extremely cold-hardy conditions (think Alaska-level cold!)

Alternative Native Options

If you’re interested in the unique appeal of louseworts but want something more garden-friendly, consider looking into other Pedicularis species that are better documented for cultivation, or explore other native wildflowers from your region that offer similar ecological benefits with more available growing information.

The Bottom Line

Sudetic lousewort represents the fascinating diversity of native plants in North America’s most challenging environments. While it might not be the easiest addition to your garden, understanding plants like this helps us appreciate the incredible adaptations that allow life to thrive in Arctic conditions. If you’re determined to work with Arctic natives, consider connecting with botanical gardens, native plant societies, or researchers who specialize in far-northern flora – they might have insights that aren’t widely available.

Sometimes the most interesting plants are the ones that remind us that not every beautiful native needs to find its way into our gardens. Some are perfectly content thriving in their wild, remote homes, and that’s pretty wonderful too.

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

FACW

Facultative Wetland - Plants with this status usually occurs in wetlands but may occur in non-wetlands

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