home/ plants/ bartonia-virginica

// SPECIES PROFILE · ANNUAL · NATIVE

Yellow screwstem

Bartonia virginica

Yellow screwstem (Bartonia virginica) is a annual in the — family. Native range includes MO — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 2b–11b. Mature size 1"–16".

// QUICK FACTS
Family
—
Group
annual
Native range
Native to 30 U.S. states, including AL, CT, DC, DE, FL, GA…
USDA hardiness
Zones 2b–11b
Mature size
1"–16"
Sun
—
Water
—
Bloom
—
Wildlife value
Pollinator and wildlife support
Ecological role
native species profile
Yellow screwstem (Bartonia virginica)
Bartonia virginica — Yellow screwstem. Photo by Jake McCumber (iNaturalist user @jakemccumber) via Wikimedia Commons (CC BY 4.0).

Field Notes

[ growing · ecology · siting · care ]

Yellow screwstem (Bartonia virginica) is a annual in the — family. Native range includes MO — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 2b–11b. Mature size 1"–16".

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, yellow screwstem pairs naturally with: Black-Eyed Susan (Rudbeckia hirta), Common Sunflower (Helianthus annuus), Swamp verbena (Verbena hastata), Common threeseed mercury (Acalypha rhomboidea).

← All species