North America Non-native Plant

Lilium Pensylvanicum

Botanical name: Lilium pensylvanicum

USDA symbol: LIPE7

Native status: Not native but doesn't reproduce and persist in the wild

Synonyms: Lilium dauricum Ker Gawl. (LIDA3)   

Lilium pensylvanicum: A Mysterious Lily Worth Understanding If you’ve stumbled across the name Lilium pensylvanicum while researching native lilies, you might find yourself scratching your head—and for good reason! This particular botanical name presents quite the puzzle for gardeners and plant enthusiasts alike. The Name Game: What’s in a Scientific ...

Lilium pensylvanicum: A Mysterious Lily Worth Understanding

If you’ve stumbled across the name Lilium pensylvanicum while researching native lilies, you might find yourself scratching your head—and for good reason! This particular botanical name presents quite the puzzle for gardeners and plant enthusiasts alike.

The Name Game: What’s in a Scientific Name?

Lilium pensylvanicum is listed with the synonym Lilium dauricum Ker Gawl., but here’s where things get interesting (and a bit confusing). Current botanical databases and authoritative plant references don’t widely recognize Lilium pensylvanicum as a valid, accepted species name. This creates a bit of a mystery that even seasoned gardeners might find perplexing.

The Challenge with Uncertain Plant Identity

When a plant’s taxonomic status is unclear or disputed, it becomes incredibly difficult to provide reliable growing advice. Without confirmed information about this specific lily’s:

  • Native range and distribution
  • Growing requirements and hardiness zones
  • Size, appearance, and garden behavior
  • Wildlife and pollinator benefits
  • Conservation status

We simply can’t responsibly recommend whether or how to grow it in your garden.

What This Means for Your Garden

If you’re interested in growing native lilies, your best bet is to focus on well-documented, clearly identified species that are known to be native to your region. Rather than pursuing a plant with uncertain identity, consider these alternatives:

  • Research confirmed native lily species in your area through your local extension office
  • Consult regional native plant societies for recommendations
  • Visit local botanical gardens to see native lilies in person
  • Work with reputable native plant nurseries that can verify plant identity

The Takeaway for Thoughtful Gardeners

While the mystery surrounding Lilium pensylvanicum might be frustrating, it highlights an important principle in native gardening: always verify plant identity and source information from reliable, authoritative sources. When in doubt, it’s better to choose well-documented native species that you can grow with confidence, knowing they’ll truly benefit your local ecosystem.

Remember, successful native gardening is built on accurate plant identification and understanding—so don’t hesitate to ask questions and seek expert guidance when plant names don’t quite add up!

Lilium Pensylvanicum

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Liliidae

Order

Liliales

Family

Liliaceae Juss. - Lily family

Genus

Lilium L. - lily

Species

Lilium pensylvanicum Ker Gawl. [excluded]

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