Photo by Melody

PlantFiles: Rocky Mountain Penstemon
Penstemon strictus 'Bandera'

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Family: Plantaginaceae
Genus: Penstemon (PEN-stem-on) (Info)
Species: strictus (STRIK-tus) (Info)
Cultivar: Bandera

12 members have or want this plant for trade.

Category:
Perennials

Height:
24-36 in. (60-90 cm)

Spacing:
18-24 in. (45-60 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)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)

Sun Exposure:
Full Sun

Danger:
Unknown - Tell us

Bloom Color:
Blue-Violet

Bloom Time:
Late Spring/Early Summer

Foliage:
Evergreen
Smooth-Textured

Other details:
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:
Unknown - Tell us

Propagation Methods:
From herbaceous stem cuttings
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds

Click thumbnail
to view:

By Terry
Thumbnail #1 of Penstemon strictus by Terry

Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive Neversummer On Aug 9, 2013, Neversummer from Cedaredge, CO wrote:

Have heavy clay and in normal - that would not be this summer- it is very dry with little rainfall. I have amended the soil that this plant lives in with worm castings, bone and blood meal, garden soil and compost and it is growing like a champ.
I want to divide it - if that is possible and move part of it to the front area where I am creating a native meadow garden. I have harvested seeds - and will plant those in a seed bed later in the fall. Hummingbirds and bees adore this plant!

Regional...

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

Cedaredge, Colorado
Kiowa, Colorado
Parker, Colorado
Bellaire, Michigan
Luverne, Minnesota
Albuquerque, New Mexico
Vancouver, Washington
Laramie, Wyoming



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