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// SPECIES PROFILE · PERENNIAL · NATIVE

Swordleaf blue-eyed grass

Sisyrinchium chilense

Swordleaf blue-eyed grass (Sisyrinchium chilense) is a perennial in the — family. Native range includes OK — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 6a–10a. Mature size 6"–1'. Blooms Mar–May.

// QUICK FACTS
Family
—
Group
perennial
Native range
Native to OK, TX
USDA hardiness
Zones 6a–10a
Mature size
6"–1'
Sun
Part shade
Water
—
Bloom
Mar–May
Wildlife value
Pollinator and wildlife support
Ecological role
native species profile
Swordleaf blue-eyed grass (Sisyrinchium chilense)
Sisyrinchium chilense — Swordleaf blue-eyed grass. Photo via iNaturalist — (c) Gabriela Cartes, some rights reserved (CC BY).

Field Notes

[ growing · ecology · siting · care ]

Swordleaf blue-eyed grass (Sisyrinchium chilense) is a perennial in the — family. Native range includes OK — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 6a–10a. Mature size 6"–1'. 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, swordleaf blue-eyed grass pairs naturally with: American Lotus (Nelumbo lutea), Aromatic Aster (Symphyotrichum oblongifolium), Broadleaf Arrowhead (Sagittaria latifolia), Blue-Eyed Grass (Sisyrinchium angustifolium).

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