North America Native Plant

Porter’s Groundsel

Botanical name: Packera porteri

USDA symbol: PAPO12

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Ligularia porteri (Greene) W.A. Weber (LIPO5)  ⚘  Senecio porteri Greene (SEPO)   

Porter’s Groundsel: A Rare Native Wildflower Worth Knowing Meet Porter’s groundsel (Packera porteri), a lesser-known native wildflower that belongs to the sunflower family. While this perennial herb might not be on every gardener’s radar, it represents an interesting piece of North America’s botanical heritage that deserves attention from native plant ...

Porter’s Groundsel: A Rare Native Wildflower Worth Knowing

Meet Porter’s groundsel (Packera porteri), a lesser-known native wildflower that belongs to the sunflower family. While this perennial herb might not be on every gardener’s radar, it represents an interesting piece of North America’s botanical heritage that deserves attention from native plant enthusiasts.

What is Porter’s Groundsel?

Porter’s groundsel is a herbaceous perennial forb native to the western United States. As a member of the Packera genus, it’s related to other groundsels and shares their characteristic daisy-like flowers. This plant has had several scientific names over the years, previously known as Ligularia porteri and Senecio porteri, before settling into its current classification.

Like other forbs, Porter’s groundsel lacks significant woody tissue and maintains its growing points at or below ground level, allowing it to return each year from its root system.

Where Does Porter’s Groundsel Grow?

This native wildflower has a limited natural range, currently documented in Colorado and Oregon. This restricted distribution suggests it may have specific habitat requirements or could be relatively uncommon in the wild.

Should You Grow Porter’s Groundsel?

Here’s where things get a bit tricky – Porter’s groundsel appears to be one of those native plants that hasn’t made the leap into mainstream horticulture. While it’s undoubtedly an authentic piece of American flora, detailed growing information and availability are extremely limited.

The Challenge of Cultivation

Unlike popular native plants such as purple coneflower or black-eyed Susan, Porter’s groundsel remains somewhat of a botanical mystery when it comes to garden cultivation. This could mean several things:

  • It may have very specific growing requirements that make it challenging to cultivate
  • It might be naturally rare or have a restricted habitat
  • It could simply be understudied from a horticultural perspective

What This Means for Gardeners

If you’re interested in Porter’s groundsel, your best bet is to connect with native plant societies in Colorado or Oregon, botanical gardens, or specialty native plant nurseries in these regions. They might have insights into this plant’s specific needs or know if anyone is working with it.

For gardeners outside of Colorado and Oregon, consider focusing on other Packera species that might be native to your area, or explore well-established native alternatives that provide similar ecological benefits.

The Bigger Picture

Plants like Porter’s groundsel remind us that not every native species is destined for the garden center shelf. Some plants are perfectly content in their wild homes and may not adapt well to cultivation. Others might need dedicated conservation efforts or specialized propagation techniques.

As native gardening continues to grow in popularity, researchers and horticulturists are constantly working to bring lesser-known species into cultivation. Who knows? Porter’s groundsel might be tomorrow’s garden star – but for now, it remains one of nature’s quieter treasures.

Moving Forward

If Porter’s groundsel has captured your interest, consider it a starting point for exploring the rich diversity of native plants in your region. Every ecosystem has its own collection of specialized species, and getting to know them – even if you can’t grow them all – deepens our connection to the natural world around us.

Porter’s Groundsel

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

Asterales

Family

Asteraceae Bercht. & J. Presl - Aster family

Genus

Packera Á. Löve & D. Löve - ragwort

Species

Packera porteri (Greene) C. Jeffrey - Porter's groundsel

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