home/ plants/ juncus-ambiguus

// SPECIES PROFILE · GRASS · NATIVE

Seaside rush

Juncus ambiguus

Seaside rush (Juncus ambiguus) is a grass in the — family. Native range includes KS — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 1a–11a. Mature size 1"–16". Blooms Mar–Sep.

// QUICK FACTS
Family
—
Group
grass
Native range
Native to 12 U.S. states, including AK, AZ, CA, CO, CT, KS…
USDA hardiness
Zones 1a–11a
Mature size
1"–16"
Sun
—
Water
—
Bloom
Mar–Sep
Wildlife value
Pollinator and wildlife support
Ecological role
native species profile
Seaside rush (Juncus ambiguus)
Juncus ambiguus — Seaside rush. Photo via iNaturalist — (c) Andre Hosper, some rights reserved (CC BY).

Field Notes

[ growing · ecology · siting · care ]

Seaside rush (Juncus ambiguus) is a grass in the — family. Native range includes KS — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 1a–11a. Mature size 1"–16". Blooms Mar–Sep.

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, seaside rush pairs naturally with: Broadleaf cattail (Typha latifolia), Shortawn foxtail (Alopecurus aequalis), Shortawn foxtail (Alopecurus aequalis var. aequalis), Cosmopolitan bulrush (Bolboschoenus maritimus).

← All species