How to Grow Penstemon?

Penstemons do best in well-drained, slightly alkaline soil and will even grow in soils that are mostly sand or gravel. They are extremely sensitive to poorly draining soils and winter moisture. Planting them in raised beds or sloped areas will help them survive wet conditions.

How do you take care of a penstemon?

Penstemon Care and Maintenance

Water the young plants at least once per week as they establish. You can reduce watering as the plant matures. Mulch around the plants to help protect the roots from winter's cold and prevent spring weeds.

Should penstemon be cut back?

Penstemons are short-lived perennials that can suffer in winter. To avoid losses, don't cut back plants until spring. Take summer cuttings to prevent winter losses. ... Best penstemons to grow.