Grow Rydberg’s Penstemon (Penstemon rydbergii) with these 100mg seeds! A cold-hardy native perennial wildflower with violet-blue tubular blooms, ideal for mountain gardens, meadows, and pollinator habitats.
Violet-Blue Tubular Flowers – Elegant spikes bloom early to mid-summer
Native Mountain Species – Ideal for alpine and meadow plantings
Pollinator Magnet – Attracts bees, butterflies, and hummingbirds
Cold Hardy Perennial – Thrives in USDA zones 3–8
100mg of Seeds Included – Cold stratification recommended for best results
Common Name: Rydberg’s Penstemon
Scientific Name: Penstemon rydbergii
Color: Violet to blue flowers
Soil Type: Moist, well-drained to rocky soils
Sunlight: Full sun to partial shade
Watering: Moderate; prefers some moisture
Growth Habit: Upright perennial
Planting Season: Fall or early spring (cold stratification improves germination)