North America Native Plant

Narrowleaf False Dragonhead

Botanical name: Physostegia angustifolia

USDA symbol: PHAN6

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Physostegia edwardsiana Shinners (PHED2)   

Narrowleaf False Dragonhead: A Native Gem for Wet Gardens If you’re looking for a native plant that thrives in those tricky wet spots in your garden, let me introduce you to narrowleaf false dragonhead (Physostegia angustifolia). This unassuming perennial might not have the flashiest name, but it’s a reliable performer ...

Narrowleaf False Dragonhead: A Native Gem for Wet Gardens

If you’re looking for a native plant that thrives in those tricky wet spots in your garden, let me introduce you to narrowleaf false dragonhead (Physostegia angustifolia). This unassuming perennial might not have the flashiest name, but it’s a reliable performer that deserves a spot in more American gardens.

What Makes This Plant Special?

Narrowleaf false dragonhead is a true native of the United States, calling the lower 48 states home. You’ll find this adaptable perennial growing wild across a impressive range of states including Alabama, Arkansas, Georgia, Illinois, Kansas, Louisiana, Mississippi, Missouri, Oklahoma, Tennessee, and Texas. It’s particularly well-suited to the southeastern and south-central regions where it naturally occurs in moist prairies and wetland edges.

As a forb (that’s botanist-speak for a non-woody flowering plant), this perennial lacks the woody stems of shrubs but makes up for it with its dependable year-after-year performance. Don’t let the false in its name fool you – there’s nothing fake about the benefits this plant brings to your landscape.

A Plant That Knows Its Place

One of the most interesting things about narrowleaf false dragonhead is its relationship with water. This plant is classified as Facultative Wetland across most of its range, meaning it usually hangs out in wetlands but can handle drier conditions when needed. In the Midwest, it’s simply Facultative, showing even more flexibility about where it grows. This adaptability makes it perfect for those challenging garden spots that are sometimes soggy, sometimes not.

Beauty in Simplicity

While narrowleaf false dragonhead won’t stop traffic with showy blooms, it offers a subtle charm that’s perfect for naturalized gardens. The plant produces delicate white to pale pink tubular flowers arranged in terminal spikes that bloom from late summer into fall. These flowers sit atop stems adorned with narrow, lance-shaped leaves that give the plant its narrowleaf common name.

The upright growth habit creates nice vertical interest in the garden, and the late-season blooms provide color when many other plants are winding down for the year.

Where Does It Fit in Your Garden?

This native beauty shines in several garden settings:

  • Rain gardens where it can handle periodic flooding
  • Pond and stream margins for natural-looking water features
  • Native plant gardens as part of authentic regional plantings
  • Wildflower meadows for a naturalized look
  • Prairie restorations where it can play its historical ecological role

A Pollinator’s Friend

Don’t underestimate this plant’s value to wildlife! The nectar-rich flowers are magnets for bees, butterflies, and other beneficial insects. Since it blooms in late summer and fall, it provides crucial food sources when many other flowers have finished their show. This timing makes it especially valuable for migrating butterflies and late-season pollinators preparing for winter.

Growing Narrowleaf False Dragonhead Successfully

The good news is that this native is relatively easy to grow if you can meet its basic needs:

Hardiness: Thrives in USDA zones 6-9, covering much of the continental United States.

Light Requirements: Performs best in full sun but tolerates partial shade, especially in hotter climates.

Soil Needs: Prefers consistently moist to wet soils. It’s particularly happy in areas that experience seasonal flooding or stay damp throughout the growing season.

Planting Tips: Spring is the ideal time to plant. Space plants appropriately for their mature size and ensure they have access to adequate moisture, especially during establishment.

Ongoing Care: Once established, this is a low-maintenance plant. The main task is dividing clumps every 3-4 years to prevent overcrowding and maintain vigor.

Is This Plant Right for You?

Narrowleaf false dragonhead is perfect for gardeners who:

  • Want to support native wildlife and pollinators
  • Have wet or seasonally flooded areas in their landscape
  • Appreciate understated beauty over flashy displays
  • Prefer low-maintenance native plants
  • Are creating rain gardens or naturalized areas

However, it might not be the best choice if you’re looking for drought-tolerant plants or need something for consistently dry areas. This plant really wants its feet wet!

The Bottom Line

Narrowleaf false dragonhead proves that native plants don’t need to be showy to be valuable. This reliable perennial offers late-season interest, supports pollinators, and solves the challenge of what to plant in wet areas. For gardeners committed to using native species and supporting local ecosystems, it’s a plant worth considering – especially if you have the moist conditions it craves.

Sometimes the most rewarding plants are the ones that quietly do their job, supporting wildlife and adding gentle beauty to our landscapes. Narrowleaf false dragonhead is definitely one of those plants.

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

Atlantic and Gulf Coastal Plain

FACW

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

Eastern Mountains and Piedmont

FACW

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

Great Plains

FACW

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

Midwest

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Northcentral & Northeast

FACW

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

Narrowleaf 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 angustifolia Fernald - narrowleaf 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