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Blue Toadflax (Old-field Toadflax)
Nuttallanthus canadensis (Linaria canadensis)

Blue toadflax has small flowers on top of slender stalks. The small flowers and wispy foliage make the plant easy to overlook, but it can be quite abundant in its preferred habitat of sunny, sandy areas. In early summer, many sandy roadsides have a haze of blue from blue toadflax in bloom.

• Family: Figwort (Scrophulariaceae)
• Habitat: dry sandy or rocky soil, abandoned fields, roadsides
• Height: 6-24 inches
• Flower size: 1/4 to 1/2 inch long
• Flower color: pale blue-purple
• Flowering time: April to September
• Origin: native

next blue/purple flower
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Nuttallanthus canadensis
Nuttallanthus canadensis

Last updated November 13, 2005. © 2005 Connecticut Botanical Society. All rights reserved.