// SPECIES PROFILE · PERENNIAL · NATIVE

Hard pipewort

Eriocaulon decangulare var. decangulare

Hard pipewort (Eriocaulon decangulare var. decangulare) is a perennial in the — family. Native range includes AR, OK. Hardy in zones 5a–11b. Mature size 6"–3'. Blooms Mar–May.

// QUICK FACTS

Family: —
Group: perennial
Native range: Native to 17 U.S. states, including AL, AR, DC, DE, FL, GA…
USDA hardiness: Zones 5a–11b
Mature size: 6"–3'
Sun: Full sun
Water: Medium
Bloom: Mar–May
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Hard pipewort (Eriocaulon decangulare var. decangulare) — *Eriocaulon decangulare var. decangulare* — Hard pipewort. Photo via iNaturalist — (c) James (Jim) Duggan, some rights reserved (CC BY-SA), uploaded by James (Jim) Duggan.

Field Notes

[ growing · ecology · siting · care ]

Hard pipewort (Eriocaulon decangulare var. decangulare) is a perennial in the — family. Native range includes AR, OK. Hardy in zones 5a–11b. Mature size 6"–3'. Blooms Mar–May.

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, hard pipewort pairs naturally with: Broadleaf Arrowhead (Sagittaria latifolia), Blue-Eyed Grass (Sisyrinchium angustifolium), Butterfly Milkweed (Asclepias tuberosa), Cardinal Flower (Lobelia cardinalis).