North America Native Plant

Ledingham’s False Dragonhead

Botanical name: Physostegia ledinghamii

USDA symbol: PHLE13

Life cycle: perennial

Habit: forb

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

Synonyms: Physostegia virginiana (L.) Benth. var. ledinghamii B. Boivin (PHVIL)   

Ledingham’s False Dragonhead: A Prairie Gem for Wetland Gardens If you’re looking for a native perennial that thrives in those tricky wet spots in your garden, let me introduce you to Ledingham’s false dragonhead (Physostegia ledinghamii). This delightful prairie native might not have the most glamorous name, but it’s a ...

Ledingham’s False Dragonhead: A Prairie Gem for Wetland Gardens

If you’re looking for a native perennial that thrives in those tricky wet spots in your garden, let me introduce you to Ledingham’s false dragonhead (Physostegia ledinghamii). This delightful prairie native might not have the most glamorous name, but it’s a real workhorse in the right conditions – and it’s got some serious staying power in challenging environments where other plants might throw in the towel.

What Makes This Plant Special?

Ledingham’s false dragonhead is a true prairie survivor, native to the northern Great Plains and prairie provinces of Canada. This perennial forb belongs to the mint family, and like its relatives, it sports those distinctive square stems that make identification a breeze. What sets it apart is its remarkable ability to thrive in consistently wet conditions – something that makes many gardeners scratch their heads when choosing plants.

Where You’ll Find It Growing Wild

This hardy native calls home to Alberta, Manitoba, Saskatchewan, the Northwest Territories, and North Dakota. It’s perfectly adapted to the challenging climate and soil conditions of the northern prairies, where it has evolved alongside other tough-as-nails native plants.

Why Your Garden (and Local Wildlife) Will Love It

Here’s where Ledingham’s false dragonhead really shines: it’s classified as an obligate wetland plant in the Great Plains region, meaning it’s practically designed for those soggy areas where other plants struggle. But don’t let that fool you into thinking it’s not attractive – this plant produces beautiful spikes of pink to purple tubular flowers that bloom from mid to late summer, providing much-needed color when many other plants are starting to fade.

Pollinators absolutely adore the nectar-rich flowers, making it a fantastic choice for supporting local bees and butterflies. The blooming period extends well into late summer, offering a reliable food source when other flowers may be scarce.

Perfect Garden Scenarios

Ledingham’s false dragonhead is your go-to choice for:

  • Rain gardens and bioswales
  • Prairie restoration projects
  • Wetland gardens
  • Naturalized landscapes
  • Areas with consistently moist to wet soil
  • Native plant gardens focused on regional species

Growing Conditions That Make It Happy

This plant is refreshingly straightforward about what it wants: moisture, and lots of it. It thrives in full sun to partial shade and has a particular fondness for clay soils that stay consistently moist. Unlike many garden plants that sulk in wet feet, Ledingham’s false dragonhead considers soggy soil a luxury spa treatment.

Hardy in USDA zones 3-7, this perennial can handle some seriously cold winters – a trait that makes it invaluable for northern gardeners dealing with harsh climate conditions.

Planting and Care Tips

The beauty of working with native plants like Ledingham’s false dragonhead is that once established, they’re remarkably low-maintenance. Here are the key points for success:

  • Plant in consistently moist to wet soil – don’t worry about overwatering this one
  • Choose a location with full sun to partial shade
  • Allow space for natural spreading, as it can expand via underground rhizomes
  • Minimal fertilization needed – native soils are typically perfect
  • Deadhead spent flowers if you want to prevent self-seeding, or leave them for wildlife

The Bottom Line

Ledingham’s false dragonhead might not be the showiest plant in the garden center, but it’s exactly what you need if you’re dealing with wet conditions and want to support local ecosystems. It’s a perfect example of how native plants can solve landscape challenges while providing genuine ecological benefits. Plus, there’s something deeply satisfying about growing a plant that’s perfectly at home in your specific region – it’s like giving your local environment a big, botanical hug.

If you’ve been struggling with a persistently wet area in your yard, or if you’re passionate about supporting native wildlife, Ledingham’s false dragonhead deserves a spot on your planting list. Your local pollinators will thank you, and you’ll have the satisfaction of knowing you’re growing something truly suited to your place on this planet.

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

Great Plains

OBL

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

Ledingham’s False Dragonhead

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

Lamiales

Family

Lamiaceae Martinov - Mint family

Genus

Physostegia Benth. - lionsheart

Species

Physostegia ledinghamii (B. Boivin) Cantino - Ledingham's false dragonhead

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