Symphytum grandiflorum

continental : They prefer locations where they can receive direct sunlight for at least few hours.
Normally these are very rustic plants, therefore can be grown in the garden all year long.

alpine : It is advisable to place these plants in a very bright location, exposed to direct sunlight.
The Symphytum grandiflorum are rustic plants, they can tolerate without any problem also intense frosts; during particularly rigid winters cover the aerial part with frost cloth.

mediterranean : Place these plants in a very bright location, possibly exposed to direct sunlight.
They are very rustic plants, that do not suffer from cold.

Fertilization Symphytum grandiflorum : Medical plants are fertilized from March to October, using a universal fertilizer; we can opt for a slow-release fertilizer, to be given every 3-4 months.

continental : Remember to water The Symphytum grandiflorum only when the soil is dry. During waterings try to dampen deeply the substrate, avoiding to drench it excessively.

alpine : The Symphytum grandiflorum prefer fresh but not soaked soils, therefore water only when the soil has been dry for few days; providing more frequent waterings in summer and avoid to give water in winter or during the coldest periods of the year.

mediterranean : The Symphytum grandiflorum needs very regular and generous waterings; give a good amount of water every week from March to October, but remember to allow the soil to dry out between two waterings. During very cold months or particularly rainy periods we can avoid watering.

Treatments Symphytum grandiflorum : When spring starts we can apply a sulphur fungicide treatment; the other treatments will be applied only in case the parasites are on the plants. Avoid the use of any treatments on the plants during bloom, which can injure the bees.