// SPECIES PROFILE · GRASS · NATIVE

Spike bentgrass

Agrostis exarata

Spike bentgrass (Agrostis exarata) is a grass in the — family. Native range includes OK — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 1a–11a. Mature size 6"–4'. Blooms Apr–May.

// QUICK FACTS

Family: —
Group: grass
Native range: Native to 18 U.S. states, including AK, AZ, CA, CO, ID, KY…
USDA hardiness: Zones 1a–11a
Mature size: 6"–4'
Sun: Part shade
Water: Medium
Bloom: Apr–May
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Spike bentgrass (Agrostis exarata) — *Agrostis exarata* — Spike bentgrass. Photo by Robert H. Mohlenbrock. USDA NRCS. 1992. Western wetland flora: Field office guide to plant species. West Region, Sacramento, CA. via Wikimedia Commons (Public domain).

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, spike bentgrass pairs naturally with: Prairie junegrass (Koeleria macrantha), Broadleaf cattail (Typha latifolia), Smooth brome (Bromus inermis), Needle spikerush (Eleocharis acicularis).