Photo by Melody

PlantFiles: Foothill Penstemon, Chaparral Penstemon, Bunchleaf Penstemon
Penstemon heterophyllus 'Electric Blue'

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Family: Plantaginaceae
Genus: Penstemon (PEN-stem-on) (Info)
Species: heterophyllus (het-er-oh-FIL-us) (Info)
Cultivar: Electric Blue

One vendor has this plant for sale.

15 members have or want this plant for trade.

Category:
Perennials

Height:
18-24 in. (45-60 cm)

Spacing:
12-15 in. (30-38 cm)

Hardiness:
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)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:
Sun to Partial Shade

Danger:
Unknown - Tell us

Bloom Color:
Blue-Violet

Bloom Time:
Mid Summer

Foliage:
Herbaceous

Other details:
Unknown - Tell us

Soil pH requirements:
Unknown - Tell us

Patent Information:
Unknown - Tell us

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Unknown - Tell us

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By bigred
Thumbnail #1 of Penstemon heterophyllus by bigred

By annlof
Thumbnail #2 of Penstemon heterophyllus by annlof

By goldenfish
Thumbnail #3 of Penstemon heterophyllus by goldenfish

Profile:

2 positives
No neutrals
1 negative

Gardeners' Notes:

RatingAuthorContent
Positive annlof On Apr 29, 2011, annlof from Camarillo, CA wrote:

These plants seem to like lean soil with good drainage and full sun. They are evergreen in Zone 10 (Southern California) but benefit from being cut back hard after blooming. Very drought-tolerant.

Negative MiniPonyFarmer On May 30, 2010, MiniPonyFarmer from Gilmer, TX (Zone 8b) wrote:

I did not have luck with this plant in our hot and humid East Texas summer. Placed in a west facing but well amended and mulched bed, this plant could not take the heat. So I moved the remaining one to a north facing bed that receives some midday shade. It is still living, but the bottom half is brown. It did manage to bloom and the blooms were quite beautiful if you could ignore the foliage. I just don't think this plant was quite ready for Texas's type of hot.

Positive anelson77 On May 12, 2009, anelson77 from Seattle, WA wrote:

I grew these in part sun, good soil, little summer water for a couple of seasons. They bloomed profusely for a long period and were absolutely stunning, living up to their name. They seem to have died during our recent hard winter. I miss them and might have to plant more. It is worth it to grow them as an annual even if they are not fully hardy.

Regional...

This plant has been said to grow in the following regions:

Ashdown, Arkansas
Camarillo, California
North Fork, California
Cordele, Georgia
Hebron, Kentucky
Elizabeth City, North Carolina
Knoxville, Tennessee
Kalama, Washington
Seattle, Washington
Charleston, West Virginia



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