What Is the Ideal Temperature Range for bearded penstemon?
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bearded penstemon · Penstemon barbatus
Also known as: bitterherb; bitterweed; broom-shell flower; cod head; firecracker plant; fish mouth
Grow in fertile, well-drained soil in a sheltered position in full sun or partial shade. In cold areas, protect plant overwinter with a dry mulch. See penstemon cultivation
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