Rocky Mountain Blue Penstemon:
The Penstemon Rocky Mountain Blue, 'Penstemon strictus', has elegant bluish purple spikes of tubular flowers that lend a touch of formality to the dry flower garden. Rocky Mountain Penstemon enhances the garden twelve months of the year. The exquisite blue flower spikes are followed by graceful seed pods. In winter, evergreen basal rosettes turn from green to reddish purple, shrugging temperatures well below zero. The Rocky Mountain Blue are used for wildflower plantings, borders and as cut flowers. They also attract butterflies.
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