Penstemon laevigatus var. digitalis - Beard tongue

continental : Place these plants in a sunny place, where they can be exposed for at least few hours a day to direct sunlight.
These plants can tolerate short frosts not excessively cold; in case of very rigid winters It is advisable to cover the aerial part with frost cloth.

alpine : We remind to place these plants always in a very bright location, exposed to direct sunlight.
It is advisable to cover the aerial part of the plant with a frost cloth starting from October until spring, to avoid the exposure to excessive intense frosts.

mediterranean : Try to place The Penstemon laevigatus var. digitalis in a location well exposed to sunlight all year long.
These plants are grown in the garden; they tolerate slight frosts.

Fertilize Penstemon laevigatus var. digitalis : It is advisable to use a ripe organic fertilizer, to be buried at the base of the plant at the end of winter and at the end of summer; alternatively we can use a slow-release granular fertilizer.

continental : Waterings shall be generous and very regular, specially in summer; avoid to allow soil to become completely dry. When autumn starts decrease waterings and suspend them in winter.

alpine : Keep the soil mostly humid, remember to water it generously and regularly. In autumn and winter waterings can be occasional.

mediterranean : Waterings will be regular and generous, specially in summer, remember to allow the substrate to dry out between two waterings. In winter waterings can be suspended.

Pests Penstemon laevigatus var. digitalis : Treatments are applied only in case the parasites are effectively on the plant and avoiding broad-spectrum products; we remind to avoid to apply treatments on plants in bloom, to avoid to kill also the useful insects, together with the parasites.