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Scutellaria

Skullcap

Perennials, Flowers

These clump-forming perennials have square stems and paired leaves. Long, tubular flowers flare out into two lips, the upper one narrow and hooded, the lower one broad. Blossoms are clustered in roundish or elongated inflorescences. Easy to grow with good drainage.

Scutellaria baicalensis (photo courtesy of Saxon Holt/PhotoBotanic)
Scutellaria baicalensis (photo courtesy of Saxon Holt/PhotoBotanic)

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Scutellaria baicalensis

Native to Siberia, China, and Japan. Stems first spread, then grow upright, forming a clump 1 1/2 ft. tall and wide. Narrowly ovate, medium green leaves. Dense, one-sided clusters of blue-purple, inch-long flowers in summer and fall.

Scutellaria resinosa

Native from Kansas and Colorado south to Texas and Arizona. Mounding plant to 6–8 in. tall and 1 ft. wide, with roundish, resinous, grayish green leaves less than 1/2 in. long. Elongated clusters of deep purple-blue, 1-in. flowers in late spring. Deadhead for intermittent bloom through autumn.

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