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PlantFiles: Shrubby Beard Tongue
Penstemon menziesii subsp. davaidsonii

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Family: Plantaginaceae
Genus: Penstemon (PEN-stem-on) (Info)
Species: menziesii subsp. davaidsonii

Synonym:Penstemon davidsonii

5 members have or want this plant for trade.

Category:
Alpines and Rock Gardens
Perennials

Height:
under 6 in. (15 cm)
6-12 in. (15-30 cm)

Spacing:
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)

Sun Exposure:
Full Sun

Danger:
Unknown - Tell us

Bloom Color:
Rose/Mauve
Violet/Lavender

Bloom Time:
Late Spring/Early Summer
Mid Summer

Foliage:
Evergreen
Smooth-Textured
Shiny/Glossy-Textured

Other details:
This plant is attractive to bees, butterflies and/or birds
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
5.6 to 6.0 (acidic)
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 Todd_Boland
Thumbnail #1 of Penstemon menziesii subsp. davaidsonii by Todd_Boland

Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive Todd_Boland On Jan 22, 2005, Todd_Boland from St. John's, NL (Zone 5b) wrote:

Another member of the Dasanthera section, this sub-shrubby penstemon is another that does well in wetter climates with soil that is on the acid side. I grew mine from a herbaceous stem cutting (most penstemon are easy to root this way) 8 years ago and the plant is still going strong. Among the penstemons, these have relatiely large flowers.

Regional...

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

Palmer, Alaska



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