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Whole Leaf Rosinweed

Silphium integrifolium

—
Not scored

Native status unresolved in Louisiana. How scores work Is it native here?

Profile 71%

Height
2–6 feet
Spread
1–3 feet
Light
Full sun
Soil moisture
Dry to average

Space about 2 ft apart from its recorded spread, about 25 per 100 sq ft. Enter your bed size for a count

Will it fit your yard?

At a glance

Life cycle
Perennial
Leaves
Deciduous
Bloom
July to September

Recorded in 15 Louisiana parishes.

Ecological relationships

Who uses this plant?

What these records mean

3CaterpillarsGenus host records with ranges including LA

Genus host records with ranges including LA · Silphium

  • Eucosma giganteanaGiant Eucosma
  • Papaipema baptisiaeWild Indigo Borer, Indigo Stem Borer
  • Papaipema nebrisStalk Borer
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
—BeesSoutheastern regional records
7Specialist beesPollen specialists

Pollen specialists · Silphium

  • Dianthidium curvatum
  • Dieunomia heteropoda
  • Megachile parallela
  • Melissodes dentiventris
  • Melissodes vernoniae
  • Melissodes wheeleri
  • Paranthidium jugatorium
Smith, Bachelder, Russell, Morales, Mosher & Seltmann 2024, Bee-Specialization-Modeling v0.6.1 (specialist host table compiled from J. Fowler's pollen specialist bee lists), Zenodo, CC BY 4.0
—BirdsRecorded genus food-resource interactions; not a state feeding claim
Growing and identification

Plant details

Family
Asteraceae
Hardiness
Zones 4a–8b
Soil pH
Neutral
Flower color
Yellow

What its natural habitat tells you

Safety has not been reviewed for this plant; check toxicity and thorns before planting.

Growing sources and scope

Conservation status

Louisiana rankSNR
Global rankNot available
LA statusNot verified
Federal statusNot verified

Conservation source

In your garden

Will it fit your yard?

Check this plant against your county, sun and soil moisture. Conditions are checked in your browser.

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How to check your spot

Growing cautions

  • Spreads aggressively. Spreads by short rhizomes which enable the plant to form clumps but is not an aggressive spreader. Tennessee Smart Yards

For planning only; these do not change the score or Fit.

Sources