Penstemons typically thrive in lean, well drained soil. So they do well in a dry border or rock garden setting. Their tubular flowers come in many colors. They put on a pretty show in summer and are visited by many pollinators.
Exposure: Sun, Part Sun
Bloom Time: Summer
Varieties:
Coral Baby: 20″H x 14″W. Coral flowers. A Plant Select perennial. Zone 5. A Plant Select perennial. More Info Here.
Desert Beardtongue: up to 36″H x 20″W. Lavender mauve flowers. A Plant Select perennial. Zone 5. More Info Here.
Pine Leaf: (P. pinifolius) 10″H x 15″W. Fine semi-evergreen foliage covered with scarlet or yellow flowers depending on variety. Zone 4.
Prairie Jewel: up to 3’H x 1’W. Showy, tall penstemon in purple tones. Deadhead the first 2 years to avoid seed set for a stronger plant. Zone 3. A Plant Select perennial. More Info Here.
Rocky Mountain: up to 2’H x 3’W. Purple-blue flowers. Zone 4. Planted in our front bed! Blooms like a champ in that hot, sunny, low water area.
Waggon Wheel: 1-2″”H x 12″W. Sweet and petite native with lavender/blue flowers. Blooms in early Summer. A Plant Select Perennial. More Info Here. Zone 4.
Photo Courtesy Plant Select
Photo Courtesy Plant Select
