How to grow Large Flowered Beardtongue

Penstemon grandiflorus

How long does Large-flowered beardtongue take to grow?

These estimates for how long Large-flowered beardtongue 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 Large-flowered beardtongue to germinate?: days
Average days | Min days | Max days (0)
Days to Transplant How long until I can plant out Large-flowered beardtongue?: + days
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Days to Maturity How long until Large-flowered beardtongue is ready for harvest / bloom?: + days
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Total Growing Days How long does it take to grow Large-flowered beardtongue?: = days

When should I plant Large-flowered beardtongue?

Our when to plant Large-flowered beardtongue estimates are relative to your last frost date.

When to sow The number of days to sow Large-flowered beardtongue before or after your last frost date.: 63 days before Last Frost Date

Large-flowered beardtongue Etymology

The botanical epithet is from the Latin grandiflorus meaning “with large flowers”

Other names for Large-flowered beardtongue

Large-flowered penstemon, Shell-leaf penstemon, Penstemon

Penstemon grandiflorus Nutt.