Companion Planting & Garden Value: Penstemon (Beardtongue)
Penstemon digitalis
Spacing: 1 per square foot. Mature height: 2-4 ft.
Plant these nearby
No well-established companions.
Keep these apart
Nothing it needs to be kept away from.
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Companion planting for Penstemon (Beardtongue): which plants to grow next to it, which to keep apart, and the reason behind each pairing.
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