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Penstemon serrulatus
Cascade Penstemon
Plantaginaceae
Height
40 - 50 cm
Flower colour
purple
Flowering time
July - September
Foliage colour
green
Sunlight
sun - partial shade
Soil
well drained, moist, fertile
pH
acid - neutral - alkaline
Hardiness
hardy
Plant range
Pacific NW from Oregon - Alaska
Penstemon is a genus in the family Plantaginaceae. It is a large genus native to N-America. They are usually low growing herbaceous plants or sub-shrubs with irregularly shaped flowers. They prefer full sun and many are well suited to rock gardens.
Propagation:
Division in spring.
Seed - sown in January - March.
Seed not covered and stored at 20°C (68°F) until germination.
Hardy. The whole plant has a pungent smell.
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