Betonyleaf thoroughwort is a perennial wildflower native to Texas and Mexico, grown for its clusters of blue or purple fluffy flower heads. It thrives in sun, warmth and well-drained soil, and spreads readily by its ground-running stems.
Family
Asteraceae (Daisy family)
Grows as
Perennial
Light
Full sun, Part shade
Water
Water regularly while establishing, then allow the top of the soil to dry between waterings.
Soil
Well-drained garden loam; tolerates sandy or clay soils.
Temperature
15–32 °C; hardy to about -10 °C, protect from hard frost.
How easy
Easy
Native range
Texas to Mexico
Climate
seasonally dry tropical
About
Conoclinium betonicifolium, the betony-leaf mistflower or betonyleaf thoroughwort, is a North American species of flowering plants in the family Asteraceae. It is widespread across much of Mexico from Chihuahua to Quintana Roo, and has also been found in Texas and Guatemala.
Conoclinium betonicifolium is a perennial with a stem that runs close to the ground and sometimes roots at the nodes. One plant generally produces several flower heads, each with blue or purple disc florets but no ray florets.
Text excerpted from the Wikipedia article Conoclinium betonicifolium by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.