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Sign up freePotentially invasive
This species can spread aggressively. Check local guidance before planting, and avoid letting it escape into the wild.
Tithonia rotundifolia (Mill.) S.F.Blake
Mexican Sunflower is a fast-growing annual in the aster family native to Mexico and Central America, reaching 3-6 feet tall. It produces abundant orangy-red 3-inch blooms from mid-summer to fall that attract bees, butterflies, and hummingbirds.
Heliopsis
A fellow Asteraceae — similar growing habits to Mexican Sunflower
Direct-sow Mexican Sunflower outdoors around your last frost date. Grow in full sun, spaced about 40 cm apart.
Keep track of the seeds you own.
Water: Low · Height: 180 cm · Soil: Poor to average, well-drained soil; tolerates poor soils and drought well
