Perennials: Penstemons, 1 by Leftwood
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In reply to: Penstemons
Forum: Perennials
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Leftwood wrote: Panayoti Kelaidis says that for the most penstemon crosses are usually duds with muddy color. I do have one happenstance cross volunteer that seems fairly good. Penstemon hirsutus var. pygmaeus x P. cobaea |