Cascade Penstemon (Penstemon Serrulatus) is a perennial shrub in the Plantaginaceae family with easy care difficulty. It requires moderate watering and full sun or partial shade light in USDA hardiness zones 5-8. This plant is safe for cats and dogs.
A semi-evergreen subshrub native to the Pacific Northwest, known for its dense clusters of deep blue to purple tubular flowers.
Cascade Penstemon
Penstemon Serrulatus
A semi-evergreen subshrub native to the Pacific Northwest, known for its dense clusters of deep blue to purple tubular flowers.
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Care Calendar
Monthly care tasks for Cascade Penstemon
Expert Care Tips
Pro tips from botanists and plant experts
Watering Tip
Check soil moisture by inserting your finger 1 inch deep. Water only when the top layer feels dry to prevent overwatering.
Humidity Trick
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Growth Hack
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