Penstemon cobaea
Prairie beardtongue
When In bloom large tubular flowers line at least half of cobaea beardtongue's 1-2 ft. stems. The flowers are white with dark purple lines inside the floral tube. One to three stout stems rise from the woody rhizome and bear thick paired leaves which become smaller up the stem. The lower leaves have often withered by the time of flowering.
Contributed by @jpmosel
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Full sun
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Very little water
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A little frost hardy: 32F (0°C)
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Free draining and fertile
Common name
Prairie beardtongue
Latin name
Penstemon cobaea
type
Herbaceous Perennials
family
Plantaginaceae
ph
5.0 - 7.0 Acid - Neutral
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Light
Full sun
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Frost
A little frost hardy: 32F (0°C)
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Soil
Free draining and fertile
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Water
Very little water
Plant & bloom calendar
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Best time to plant
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When the plant will bloom
full grown dimensions
0.60 M
0.70 M
Penstemon cobaea
When In bloom large tubular flowers line at least half of cobaea beardtongue's 1-2 ft. stems. The flowers are white with dark purple lines inside the floral tube. One to three stout stems rise from the woody rhizome and bear thick paired leaves which become smaller up the stem. The lower leaves have often withered by the time of flowering.
Flowering Season
From Early Summer TO Mid Autumn
1 inch long flowers are produced from early Summer.to mid Autumn
Planting Outdoors Spring
From Early Spring TO Early Spring
Plant in early spring. They do well in ordinary garden soil and in a sunny position.
Propogation by cuttings
From Mid Summer TO Late Summer
Take 3 inch long cuttings of non-flowering lateral shoots in mid to late summer and insert into a mixture of 1 part peat, 1 part sand and 2 parts loam. Plant in a cold frame and plant out the rooted cuttings in spring.
pauline33
kez001uk
jpmosel