Penstemon Rostriflorus

Penstemon Rostriflorus Penstemon Rostriflorus

What is the plant

Penstemon rostriflorus is a perennial herb growing in clumps of many erect stems from a woody base. It may reach 1 m (3 ft.) in height. The leaves are linear to lance-shaped, smooth-edged, and up to 7 centimeters long.

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Humidity

Normal

Lighting

Full Sun

Temperature

-16°C - -6°C

Hardiness zone

max 5a

Difficulty

Easy

Hibernation

Cold Period

Water
Bridge penstemon is drought-tolerant once established but may need supplemental water in areas with less than 15 inches of annual precipitation.
Fertilizer
Nor does it need fertilizing, which makes it grow quickly but die young.
Soil
Rocky or sandy soils

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Pruning
Because this plant is woody at the base, prune no lower than 4 inches in spring.
Additional
So, despite the fact that it shares the same common name as the non-native Digitalis purpurea, Foxglove (which is highly toxic), Penstemon cobaea (wild foxglove) is NOT poisonous and should be perfectly safe to have in a playground. Penstemon rostriflorus is a perennial herb growing in clumps of many erect stems from a woody base. It may reach 1 m (3 ft.) in height. The leaves are linear to lance-shaped, smooth-edged, and up to 7 centimeters long.
Popularity
3 people already have this plant 3 people have added this plant to their wishlists