Physostegia virginiana

continental : Waterings for the Physostegia virginiana will be frequent in spring and summer and more occasional in autumn and almost suspended in winter. We remind that it is a rule to avoid the supply of water if the soil is still humid.

alpine : 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.

mediterranean : Supply water regularly during vegetative period, when the soil is very dry; when temperatures decrease we can decrease waterings and suspend them in winter.

continental : It is advisable to grow this plant in a very sunny place.
This is a very rustic garden plant, that should not have problems even in case of very intense frosts.

alpine : It is advisable to grow this plant to direct sunlight all year long.
The Physostegia virginiana is very rustic and can be grown in the garden all year long; it does not suffer from even intense frosts.

mediterranean : It is advisable to grow these plants in a very sunny location.
The Physostegia virginiana does not suffer from cold and frost; this is a plant that can be grown in the garden all year long.

Fertilize Physostegia virginiana : These plants need regular fertilizings, to be given from March to October; we can use a slow-release granular fertilizer, or a fertilizer to be dissolved in normal waterings every 15-20 days.