Eupatorium purpureum

continental : Place the Eupatorium purpureum in a semishady place, with few hours a day of direct sunlight.
Normally these are very rustic plants, therefore can be grown in the garden all year long.

alpine : These plants do not like to be exposed to direct sunlight for long periods.
The Eupatorium purpureum are rustic plants, they can tolerate without any problem also intense frosts; during particularly rigid winters cover the aerial part with frost cloth.

mediterranean : These plants prefer semishady locations, but can be exposed for few hours to direct sunlight without any problem, above all during the coldest periods of the year.
They are very rustic plants, that do not suffer from cold.

Fertilization Eupatorium purpureum : These plants are fertilized when they are replanted, using a slow-release granular fertilizer, to be mixed with the soil in which they are replanted; later on use specific fertilizers, that shall be added to the water of the water garden.

continental : It is advisable to water regularly, specially during the hottest months of the year, avoiding to leave the soil dry for very long periods; the Eupatorium purpureum like slightly humid substrates all year long. In autumn and winter you can avoid watering, or intervene during warmest days only.

alpine : Try to keep a mostly humid soil, remember to water generously specially in summer; we can avoid watering during the cold season, or decrease waterings, intervening only in case of long duration drought.

mediterranean : Water the Eupatorium purpureum rather regularly from March to October, always allowing the soil to dry out well between two waterings. Avoid water excesses or stagnating water; during the cold season waterings can be decreased or suspended.

Treatments Eupatorium purpureum : 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.