Grow Showy Penstemon (Penstemon spectabilis) with these 20 seeds! A drought-tolerant California native with stunning blue-purple flowers that attract butterflies and hummingbirds. Quantity: 20 Blue Beard Tongue (Penstemon spectabilis) Seeds Common Name: Showy Penstemon, Blue Beard Tongue Mature Height: Up to 3 feet tall USDA Hardiness Zones: 8-10 Sunlight: Full sun Soil Needs: Well-draining, dry to moderate moisture Watering: Drought-tolerant; avoid overwatering Bloom Time: April ? June Flower Color: Blue to purple tubular blossoms Attracts: Butterflies, hummingbirds, and bees Native Habitat: Dry creek beds, hillsides, and coastal bluffs of Southern California Special Features: Heat-tolerant, low-maintenance, deer-resistant, excellent border plant Plant Type: Perennial Wildflower Color: Bluish-purple flowers with thin, oval green leaves Soil Type: Well-draining, sandy or rocky soils preferred Watering Needs: Low; thrives in dry conditions Indoor/Outdoor: Best for outdoor gardens, borders, and wildflower landscapes Blue Beard Tongue Seeds, Penstemon spectabilis, Showy Penstemon, Butterfly Plants, Hummingbird Flowers, Drought Tolerant Flowers, California Native Plants, Wildflower Garden, Deer Resistant Flowers, Perennial Flower Seeds