Mýrastigi

Penstemon crandallii

Crandall's Beardtongue

Plantaginaceae

Height

under 5 cm

Flower colour

blue

Flowering time

June

Foliage colour

green

Sunlight

sun

Soil

well drained, gritty

pH

acid - neutral - alkaline

Hardiness

sensitive to winter wet, grows best in gritty soil on a steep slope

Plant range

Rocky Mountains

Penstemon is a genus in the family Plantaginaceae.  It is a large genus native to N-America. They are usually low growing herbaceous plants or sub-shrubs with irregularly shaped flowers. They prefer full sun and many are well suited to rock gardens.

Propagation:


Cuttings.


Seed - sown in September - November

Seed not covered and stored outside until germination.

Mat forming alpine plant. Sensitive to winter wet. Needs very sharp drainage, preferably on a steep slope.

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