How to grow Cascade Penstemon

Penstemon serrulatus

How long does Cascade penstemon take to grow?

These estimates for how long Cascade 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 Cascade penstemon to germinate?: days
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Days to Transplant How long until I can plant out Cascade penstemon?: + days
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Days to Maturity How long until Cascade penstemon is ready for harvest / bloom?: + days
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Total Growing Days How long does it take to grow Cascade penstemon?: = days

When should I plant Cascade penstemon?

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

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

Cascade penstemon Etymology

The botanical epithet is from the Latin serrulatus meaning “somewhat saw-toothed”

Other names for Cascade penstemon

Serrulate penstemon, Coast penstemon

Penstemon serrulatus Menzies ex Sm.