Foothill Penstemon (Penstemon heterophyllus 'Electric Blue') in the Penstemons Database

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Common names:
Give a thumbs up Foothill Penstemon
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General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Minimum cold hardiness: Zone 6a -23.3 °C (-10 °F) to -20.6 °C (-5 °F)
Maximum recommended zone: Zone 9b
Plant Height: 12 - 18 inches
Plant Spread: 6 - 12 inches
Flowers: Showy
Flower Color: Other: Electric blue
Bloom Size: Under 1"
Flower Time: Late spring or early summer
Summer
Late summer or early fall
Suitable Locations: Xeriscapic
Wildlife Attractant: Bees
Butterflies
Hummingbirds
Resistances: Deer Resistant
Humidity tolerant
Propagation: Seeds: Other info: Will self sow.

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Photo gallery:
Location: Denver Metro CODate: 2015-06-05
By Skiekitty
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Location: Kalama, WaDate: 2009-06-04
By Joy
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By Henhouse
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Location: Kalama, WaDate: 2011-10-06
By joy
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Location: Kalama, WaDate: 2009-08-09
By joy
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Location: In my garden in Kalama, Wa.Date: 2009-08-08
By Joy
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Location: Denver Metro CODate: 2013-06-06
By Skiekitty
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Location: Denver Metro CODate: 2015-06-05
By Skiekitty
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Location: Riverside, CADate: 2016-04-16
By JulieB
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Location: My Northeastern Indiana Gardens - Zone 5bDate: 2012-05-09
By chelle
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This plant is tagged in:
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Comments:
Posted by Marilyn (Northern KY - Zone 6a) on Dec 3, 2011 8:00 PM

I had this plant years ago, but I lost it. The flowers are a gorgeous electric blue color! I'd like to find it again to plant. The one I had I got locally, but I haven't seen it since.

Maybe I'll check the growing requirements better if I can find it. I might not had the perfect conditions where I had it planted.

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Posted by abhege (Grantville, GA - Zone 8a) on Feb 24, 2013 12:33 AM

I have successfully started this from seed and it was fairly easy. Plants are also available from Bluestone Perennials. Seed was purchased from Summer Hill Seeds.

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Posted by Marilyn (Northern KY - Zone 6a) on Apr 3, 2013 11:45 PM

I used to grow Penstemon heterophyllus 'Electric Blue' in my garden, but lost it after a few years. I would always keep it deadheaded, so maybe that's the reason it died. I know you're suppose to let some stems stand with seeds regarding Penstemons.

I haven't gotten around to getting another. I'll have to grow it in a different spot next time. It is a gorgeous blue color.

It is endemic to California.

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Taken from wikipedia's page at:

"The flowers may be shades of blue or purple to nearly magenta."

http://en.wikipedia.org/wiki/P...

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Posted by Skiekitty (Denver Metro - Zone 5a) on Apr 14, 2014 11:19 AM

Survives zone 5 without protection. Gorgeous skyblue blooms. Tolerates high temperatures ok without wilting badly. Seems to tolerate transplanting as well.

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Plant Events from our members
Buzzbea424 On June 29, 2017 Deadheaded
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Discussion Threads about this plant
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What's Blooming 2017 - Photos and Chat. by NJBob Jan 1, 2018 8:14 PM 1,563
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Some Salvias (and others) that are in bloom by Skiekitty Jun 24, 2014 9:01 AM 24
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50 Shades of Gray in October by Bonehead Nov 13, 2013 11:30 PM 19

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