penstemon ‘garnet’ or `andenken an friederich hahn’ perennial with spikes of tubular deep wine red flowers

abstract america andenken autumn background beautiful beauty bells bloom blooming blossom borders botanical botany bright bush close closeup color colorful decoration deep flora floral floriferous flower flowers fresh friederich garden gardening garnet gorgeous green hahn leaf luminous magnificent native natural nature northern npenstemon outdoors penstemon perennial petal pink plant red season showy shrub species spikes splendid stunning summer tubular white wine