// SPECIES PROFILE · PERENNIAL · NATIVE

Roughleaf rosinweed

Silphium scaberrimum

Roughleaf rosinweed (Silphium scaberrimum) is a perennial in the — family. Native range includes AR — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 5b–10a. Mature size 2'–5'. Blooms Jun–Sep.

// QUICK FACTS

Family: —
Group: perennial
Native range: Native to AL, AR, LA, MS, NC
USDA hardiness: Zones 5b–10a
Mature size: 2'–5'
Sun: —
Water: —
Bloom: Jun–Sep
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Roughleaf rosinweed (Silphium scaberrimum) — *Silphium scaberrimum* — Roughleaf rosinweed. Photo via iNaturalist — (c) Douglas Goldman, some rights reserved (CC BY-SA), uploaded by Douglas Goldman.

Field Notes

[ growing · ecology · siting · care ]

Why it's on this list: native species profile. Native-range data from the Lady Bird Johnson Wildflower Center (NPIN), cross-checked against iNaturalist observations. Part of Rooted Revival's regional native plant catalog — true natives for Oklahoma, Arkansas, Missouri and Kansas.

Companion Planting

[ guild · polyculture · cross-layer pairings ]

In the same native range, roughleaf rosinweed pairs naturally with: American Lotus (Nelumbo lutea), Broadleaf Arrowhead (Sagittaria latifolia), Blue-Eyed Grass (Sisyrinchium angustifolium), Butterfly Milkweed (Asclepias tuberosa).