This spreading perennial native to Mexico is useful as an informal
ground cover and in mild climates will bloom profusely throughout
the year. The small, 1 in (25 mm) wide flowers open white, fading to
pink and wine red. It grows to about 4-6 in (10-15 cm) in height
with an indefinite spread, and has lax stems and narrow,
lance-shaped, hairy leaves. Cut back hard from time to time.
Hardiness zone from 7 To 11
Cultivation: Fully frost hardy, they prefer a sunny position
sheltered from strong winds and moderately fertile, well-drained
Do not allow to dry out during the growing season.
Cut back immediately after flowering to encourage compact growth and
prevent unwanted self-seeding.
They can become invasive.
Propagate from seed or by division in spring.