Physostegia virginiana

Fertilize Physostegia virginiana : During the autumnal months we can fertilize our perennial plants with some slow release fertilizer, or with some manure or earthworm humus.

continental : The Physostegia virginiana needs direct sunlight, even for many hours a day.
These plants can stand the cold, therefore they can be placed in the garden during the whole year; they don’t need protection against the cold.

alpine : These plants prefer very sunny locations, where they are exposed to sunrays for most of the day.
These plants are grown in the garden, in full ground, because they can stand the cold.

mediterranean : This plant needs to be exposed to direct solar rays.
The Physostegia virginiana is grown in the garden, because it can stand the cold.

continental : The Physostegia virginiana doesn’t need too much watering; we advise a weekly action, always keeping in mind to wait for the ground to dry between a watering and another. The regularity of the irrigations should be every 1-2 weeks with 2-3 glasses of water.

alpine : We suggest watering the the Physostegia virginiana only if the soil is completely dry, avoiding surpluses. If the weather is particularly arid, we should water every 2-3 weeks using 1-2 glasses of water.

mediterranean : Water regularly using about 3-4 glasses of water , every time the soil seems dry; during this time of year every 0-1 weeks might be enough, avoiding excesses.