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Penstemon Species, Royal Beard Tongue, Sagebrush Penstemon, Pride of the Mountain

Penstemonspeciosus

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Genus

Penstemon (PEN-stem-on)

Info

Species

speciosus (spee-see-OH-sus)

Info

Synonym

Penstemon kennedyi

Penstemon speciosus subsp. kennedyi

Sun Exposure

Full Sun

Foliage

Evergreen

Smooth

Height

6-12 in. (15-30 cm)

12-18 in. (30-45 cm)

18-24 in. (45-60 cm)

24-36 in. (60-90 cm)

Spacing

15-18 in. (38-45 cm)

Hardiness

USDA Zone 3a: to -39.9 °C (-40 °F)

USDA Zone 3b: to -37.2 °C (-35 °F)

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)

Danger

Unknown - Tell us

Bloom Color

Dark Blue

Medium Blue

Bloom Time

Late Spring/Early Summer

Mid Summer

Other Details

Gardener's Notes:

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positive

neutral

negative

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