How to grow Superb Penstemon

Penstemon superbus

Full Sun
Very Low

Prefers good drainage. Will naturalize.

Growing Superb penstemon from seed

Plant may seed itself.

By our calculations*, you should look at sowing Superb penstemon about 63 days before your last frost date .

How long does Superb penstemon take to grow?

These estimates for how long Superb penstemon takes to sprout, grow and harvest are from real observations from real gardeners, right around the world.

Days to Germination How long does it take Superb penstemon to germinate?: days
Average days | Min days | Max days (0)
Days to Transplant How long until I can plant out Superb penstemon?: + days
Average days | Min days | Max days (0)
Days to Maturity How long until Superb penstemon is ready for harvest / bloom?: + days
Average days | Min days | Max days (0)
Total Growing Days How long does it take to grow Superb penstemon?: = days

When should I plant Superb penstemon?

Our when to plant Superb penstemon estimates are relative to your last frost date.

When to sow The number of days to sow Superb penstemon before or after your last frost date.: 63 days before Last Frost Date

Superb penstemon Etymology

The botanical epithet is from the Latin superbus meaning “superb”

Other names for Superb penstemon

Superb beardtongue, Superb penstemon

Penstemon superbus A. Nelson