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Penstemon Species, Beard Tongue, Crandall's Beardtongue, Pride of the Mountain

Penstemoncrandallii

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Genus

Penstemon (PEN-stem-on)

Info

Synonym

Sun Exposure

Full Sun

Foliage

Evergreen

Smooth

Height

under 6 in. (15 cm)

Spacing

18-24 in. (45-60 cm)

Hardiness

USDA Zone 4a: to -34.4 °C (-30 °F)

USDA Zone 4b: to -31.6 °C (-25 °F)

USDA Zone 5a: to -28.8 °C (-20 °F)

USDA Zone 5b: to -26.1 °C (-15 °F)

USDA Zone 6a: to -23.3 °C (-10 °F)

USDA Zone 6b: to -20.5 °C (-5 °F)

USDA Zone 7a: to -17.7 °C (0 °F)

USDA Zone 7b: to -14.9 °C (5 °F)

USDA Zone 8a: to -12.2 °C (10 °F)

USDA Zone 8b: to -9.4 °C (15 °F)

Danger

Unknown - Tell us

Bloom Color

Medium Blue

Blue-Violet

Bloom Time

Mid Summer

Other Details

Gardener's Notes:

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positive

neutral

negative

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Todd_Boland

St. John's, NL (Zone 5b) | January 2005 | neutral

This penstemon is very much like P. teucroides. It also forms a low, grey-green mat studded with deep blue flowers. It needs dry condit...Read More

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