North America Native Plant

Finger False Dragonhead

Botanical name: Physostegia digitalis

USDA symbol: PHDI7

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Finger False Dragonhead: A Rare Native Gem Worth Protecting Meet the finger false dragonhead (Physostegia digitalis), a fascinating native perennial that’s flying under the radar in most gardening circles. This lesser-known member of the mint family deserves attention not just for its unique qualities, but also for its conservation story ...

Rare plant alert!

Region: Arkansas

Status: S1: Status is uncertain but is somewhere between the following rankings: Critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘

Finger False Dragonhead: A Rare Native Gem Worth Protecting

Meet the finger false dragonhead (Physostegia digitalis), a fascinating native perennial that’s flying under the radar in most gardening circles. This lesser-known member of the mint family deserves attention not just for its unique qualities, but also for its conservation story that makes it both special and challenging to grow.

What Makes Finger False Dragonhead Special?

Finger false dragonhead is a native herbaceous perennial that belongs to the forb category – essentially a flowering plant without woody stems that dies back to the ground each winter and returns the following spring. Unlike its more famous cousin Physostegia virginiana (obedient plant), this species has a much more limited range and a story that conservation-minded gardeners will find compelling.

Where Does It Call Home?

This native beauty has a surprisingly small geographic footprint, naturally occurring in just three states: Arkansas, Louisiana, and Texas. It’s what botanists call an endemic species – one with a very restricted natural range that makes it particularly vulnerable to habitat loss.

The Conservation Conundrum

Here’s where things get interesting (and a bit concerning). In Arkansas, finger false dragonhead carries a rarity ranking of S1, which means it’s critically imperiled in the state. This designation puts it in the proceed with caution category for gardeners who want to grow native plants responsibly.

What this means for you: If you’re determined to grow this plant, you’ll need to source it responsibly from reputable native plant nurseries that propagate their stock rather than wild-collecting. Never collect plants or seeds from wild populations – this could push already vulnerable populations closer to local extinction.

Garden Personality and Growing Conditions

Finger false dragonhead shows some interesting preferences when it comes to moisture. Its wetland status varies by region:

  • In the Atlantic and Gulf Coastal Plain: Facultative (happy in both wet and moderately dry conditions)
  • In the Great Plains: Facultative Wetland (prefers consistently moist to wet soils)

This flexibility suggests it could work well in rain gardens, pond edges, or other areas where moisture levels fluctuate seasonally. Like other members of the mint family, it’s likely to appreciate rich, organic soil and at least partial sun.

Should You Grow It?

This is where finger false dragonhead presents a gardening dilemma. On one hand, growing rare native plants in cultivation can help preserve genetic diversity and reduce pressure on wild populations. On the other hand, the limited availability and conservation concerns make this a plant that requires thoughtful consideration.

Consider finger false dragonhead if:

  • You’re committed to supporting native plant conservation
  • You can source plants from reputable, propagation-based nurseries
  • You have appropriate growing conditions (moist soil, native plant garden setting)
  • You’re interested in growing something truly unique and regionally significant

Consider alternatives if:

  • You’re looking for a low-maintenance, readily available native
  • You can’t find responsibly sourced plants
  • You prefer plants with well-documented growing requirements

Alternative Native Options

If finger false dragonhead proves too elusive or challenging to source responsibly, consider these related native alternatives that offer similar benefits with better availability:

  • Wild bergamot (Monarda fistulosa) – another mint family native with excellent pollinator appeal
  • Blue mistflower (Conoclinium coelestinum) – great for moist areas and late-season pollinators
  • Swamp milkweed (Asclepias incarnata) – perfect for wet areas and monarch butterflies

The Bottom Line

Finger false dragonhead represents both the excitement and responsibility of native plant gardening. While we don’t have extensive cultivation information for this rare species, its story reminds us that every native plant in our gardens is part of a larger conservation picture. Whether you choose to seek out this botanical rarity or opt for more readily available natives, you’re contributing to the important work of supporting our native ecosystems one garden at a time.

Remember: the best native plant for your garden is one that’s responsibly sourced, appropriate for your conditions, and part of a thoughtful approach to supporting local biodiversity. Sometimes the most conservation-minded choice is to admire rare plants in their natural habitats while filling our gardens with their more common (but equally valuable) native cousins.

Finger 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 digitalis Small - finger 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