// SPECIES PROFILE · ANNUAL · NATIVE

Terrestrial water-starwort

Callitriche terrestris

Terrestrial water-starwort (Callitriche terrestris) is a annual in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 3a–10a. Blooms Jun–Jul.

// QUICK FACTS

Family: —
Group: annual
Native range: Native to 27 U.S. states, including AL, AR, CT, DC, DE, GA…
USDA hardiness: Zones 3a–10a
Mature size: —
Sun: Part shade
Water: —
Bloom: Jun–Jul
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Terrestrial water-starwort (Callitriche terrestris) — *Callitriche terrestris* — Terrestrial water-starwort. Photo by Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 2: 477. Courtesy of Kentucky Native Plant Society. Scanned by Omnitek Inc. via Wikimedia Commons (Public domain).

Field Notes

[ growing · ecology · siting · care ]

Terrestrial water-starwort (Callitriche terrestris) is a annual in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 3a–10a. Blooms Jun–Jul.

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, terrestrial water-starwort pairs naturally with: Black-Eyed Susan (Rudbeckia hirta), Common Sunflower (Helianthus annuus), Tall Thistle (Cirsium altissimum), Partridge pea (Chamaecrista fasciculata var. fasciculata).