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Penstemon Species, Beard Tongue, Eastern Gray Beardtongue, Pride of the Mountain, Shell-Leaf Penstem

Penstemoncanescens

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Genus

Penstemon (PEN-stem-on)

Info

Species

canescens (kan-ESS-kens)

Info

Synonym

Penstemon brittonorum

Penstemon canescens var. brittoniorum

Penstemon canescens f. brittonorum

Sun Exposure

Sun to Partial Shade

Foliage

Herbaceous

Height

12-18 in. (30-45 cm)

18-24 in. (45-60 cm)

24-36 in. (60-90 cm)

Spacing

12-15 in. (30-38 cm)

15-18 in. (38-45 cm)

Hardiness

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

Lavender

Medium Purple

Bloom Time

Late Spring/Early Summer

Other Details

Gardener's Notes:

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positive

neutral

negative

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