North America Non-native Plant

Senecio Integrifolius

Botanical name: Senecio integrifolius

USDA symbol: SEIN6

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

The Mystery of Senecio integrifolius: When Plant Names Leave Us Guessing Sometimes in the world of native gardening, we encounter plant names that seem to slip through the cracks of botanical documentation. Senecio integrifolius is one of those enigmatic species that leaves even experienced gardeners scratching their heads. While the ...

The Mystery of Senecio integrifolius: When Plant Names Leave Us Guessing

Sometimes in the world of native gardening, we encounter plant names that seem to slip through the cracks of botanical documentation. Senecio integrifolius is one of those enigmatic species that leaves even experienced gardeners scratching their heads. While the name suggests it belongs to the diverse Senecio genus (part of the sunflower family), finding reliable information about this particular species proves surprisingly challenging.

What We Know (And Don’t Know)

Here’s the honest truth about Senecio integrifolius: authoritative botanical databases and native plant resources contain very limited information about this exact species name. This could mean several things:

  • It might be a regional or local name not widely recognized in standard taxonomy
  • The name could be outdated and the plant has been reclassified
  • It may be a variant or subspecies of a more commonly known Senecio species
  • There could be confusion with similar-sounding species names

The Senecio Family Connection

While we can’t provide specific details about Senecio integrifolius, we do know it belongs to a genus with over 1,000 species worldwide. Senecio plants, commonly known as ragworts or groundsels, are incredibly diverse – ranging from tiny alpine plants to tree-sized specimens. Many are beloved by gardeners for their daisy-like flowers and often silvery or succulent foliage.

Geographic Distribution Mystery

Unfortunately, without reliable botanical documentation, we cannot determine where Senecio integrifolius naturally occurs or whether it’s native to North America.

A Word of Caution for Native Gardeners

When you encounter a plant name with limited documentation like this, it’s wise to proceed carefully. Here’s why:

  • Some Senecio species can be invasive in certain regions
  • Others may be rare and require special conservation consideration
  • Misidentification could lead to planting the wrong species entirely

What Should You Do?

If you’ve come across Senecio integrifolius in a plant catalog, seed packet, or recommendation, here are some steps to take:

  • Contact the source and ask for more specific identification information
  • Request photos and detailed descriptions to help with proper identification
  • Consult with local native plant societies or botanical gardens
  • Consider well-documented native alternatives from the Senecio genus if available in your region

Better Safe Than Sorry

Rather than taking a chance on a poorly documented species, consider exploring well-known native Senecio options in your area. Many regions have beautiful, reliable native groundsels that support local pollinators and wildlife while adding unique texture and form to gardens.

The world of native plants is vast and wonderful, but it’s always best to work with species that have clear documentation, known growing requirements, and understood ecological impacts. When in doubt, reach out to your local native plant experts – they’re usually more than happy to help solve botanical mysteries!

Senecio Integrifolius

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

Senecio L. - ragwort

Species

Senecio integrifolius (L.) Clairv.

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