Forked Bluecurls (Trichostema dichotomum)

Educational Story

Forked Bluecurls, Trichostema dichotomum, is a low-growing, annual herb in the mint family (Lamiaceae).  It has brilliantly iridescent blue or purplish flowers that have dramatic long stamens and styles curling out over the two-lipped petals. The fragrant flowers attract pollinators and are an important food source, especially for bees. Found throughout Florida and along the eastern United States north into Canada, it is a short lived perennial in Florida.  Often occurring as delicate plants in dry open sandy areas, it does well in cultivation and can spread profusely in a garden setting.

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Gardening Facts

Scientific Name: Trichostema dichotomum
Common Name: Blue Curls
Description of facts and concepts: Short-lived perennial herb with striking blue flowers.
Seed or division information: Propagates easily from seed.
Date of flower’s bloom (Month and week): August – September
Ecoregion: Dry pinelands and thickets
Color of Flower: Blue-violet
Height: Up to 32 inches
Spread: 1-2 feet
Family: Lamiaceae (mint)
Soil Type: Base to Acidic Acidic
Soil: Dry to Wet Dry; Well-drained
Light: Sun to Shade Part Shade/Sun
Zone 5B-11B