// SPECIES PROFILE · ANNUAL · NATIVE

Water pygmyweed

Crassula aquatica

Water pygmyweed (Crassula aquatica) is a annual in the — family. Native range includes AR, OK. Hardy in zones 1a–11a. Blooms Apr–Sep.

// QUICK FACTS

Family: —
Group: annual
Native range: Native to 23 U.S. states, including AK, AL, AR, CA, CT, DE…
USDA hardiness: Zones 1a–11a
Mature size: —
Sun: —
Water: —
Bloom: Apr–Sep
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Water pygmyweed (Crassula aquatica) — *Crassula aquatica* — Water pygmyweed. Photo by Hörður Kristinsson from Eyjafjarðarsveit, Island via Wikimedia Commons (CC BY 2.0).

Field Notes

[ growing · ecology · siting · care ]

Water pygmyweed (Crassula aquatica) is a annual in the — family. Native range includes AR, OK. Hardy in zones 1a–11a. Blooms Apr–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, water pygmyweed pairs naturally with: Common Sunflower (Helianthus annuus), Devil's beggartick (Bidens frondosa), Two-headed water-starwort (Callitriche heterophylla), Two-headed water-starwort (Callitriche heterophylla ssp. heterophylla).