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// SPECIES PROFILE · ANNUAL · NATIVE

Rockweed

Pilea microphylla

Rockweed (Pilea microphylla) is a annual in the — family. Native range includes AR — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 3a–11b. Mature size 1"–8". Blooms Jan–Dec.

// QUICK FACTS
Family
—
Group
annual
Native range
Native to 11 U.S. states, including AL, AR, FL, GA, KY, LA…
USDA hardiness
Zones 3a–11b
Mature size
1"–8"
Sun
—
Water
—
Bloom
Jan–Dec
Wildlife value
Pollinator and wildlife support
Ecological role
native species profile
Rockweed (Pilea microphylla)
Pilea microphylla — Rockweed. Photo by Forest & Kim Starr via Wikimedia Commons (CC BY 3.0).

Field Notes

[ growing · ecology · siting · care ]

Rockweed (Pilea microphylla) is a annual in the — family. Native range includes AR — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 3a–11b. Mature size 1"–8". Blooms Jan–Dec.

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, rockweed pairs naturally with: Black-Eyed Susan (Rudbeckia hirta), Common Sunflower (Helianthus annuus), Plains Coreopsis (Coreopsis tinctoria), Tall Thistle (Cirsium altissimum).

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