
Penstemon spectabilis - Showy Penstemon (Seed)
The most spectacular of the penstemons. A must for any drought tolerant garden. Occasional water lengthens bloom season but may shorten the plant's lifespan. Prune after blooms to promote new growth. Plant Characteristics Species Name Penstemon spectabilis Common Name Showy Penstemon Plant Type Perennials Height by Width 5ft. x 4ft. Flower Color Blue, Purple, Violet, Lavender Flowering Months April, May, June Sun Exposure Inland-Sun Water Requirement Low Soil Type Sand, fast draining Sowing Season Year Round Sowing Difficulty Level* Easy Sowing Rates 1 oz -- 1/4 lbs -- 1/2 lbs -- 1 lbs -- * Sowing difficulty levels: Easy: Sow in-ground or in pots with simple or no pretreatment Moderate: Sow in-ground or in pots with pretreatment; may produce staggered germination Difficult: Sow in pots with pretreatment and stratification; may produce staggered germination