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Houstonia rubra
Red bluet is a small native herb of the southwestern US and northern Mexico, with white to pink to reddish-purple flowers. It is a wildflower of dry, open ground and is rarely grown in gardens, so care notes are general guidance for a low, drought-tolerant native.
Houstonia rubra, the red bluet, is a plant species in the Rubiaceae. It is a small herb with white to pink to red to reddish-purple flowers, native to the southwestern United States and northern and central Mexico: Coahuila, Nuevo León, Hidalgo, Zacatecas, Guanajuato, Puebla, Sonora, Durango, Chihuahua, Arizona, New Mexico, southeastern Utah and western Texas.
Needleleaf bluet · Azure bluet · Canadian summer bluet · Correll's bluet · Croft's bluet · Matted bluet · Longleaf summer bluet · Southern bluet · Ouachita bluet · Houstonia palmeri · Greenman's bluet · Roundleaf bluet
Text excerpted from the Wikipedia article Houstonia rubra 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.
