Mahonia aquifolium - Hollyleaved barberry

continental : Let’s water these plants only when there are prolonged droughts; if the weather is mild, we can water once every 2-3 weeks, using 1,5 litres of water, but only if the ground is completely dry.

alpine : During wintry months watering will be sporadic; we suggest irrigating only when the climate is mild and the ground is dry. If the temperatures are very harsh, we can interrupt watering, otherwise let’s act every 3-4 weeks with 14 litres of water.

mediterranean : During the cold months watering takes place only during the mild days, let’s avoid harsh, freezing days, by watering every 1-2 weeks or less with 16 litres of water.

continental : Locate this plant in a partially shady spot, where it can receive some hours of direct sunlight.
The Mahonia aquifolium can stand the cold and can even stand prolonged freezing and very harsh temperatures; therefore it’s grown in the garden.

alpine : Let's grow these plants in a partially shaded place, where they can receive direct sunrays just for a few hours a day.
The Mahonia aquifolium can stand the cold and can be grown in the garden even during the coldest months of the year.

mediterranean : The Mahonia aquifolium can bear a few hours of direct insolagtion, but it is best to place it in a partially shady place.
The Mahonia aquifolium is a very rustic plant, which can stand without problems the winter cold.

Fertilization Mahonia aquifolium : During the winter it’s not necessary to fertilize shrubs. Before the winter climate gets decisively harsh, we should remember to put some fertilizer to the evergreen shrubs, preferably using organic fertilizer.

Treatments Mahonia aquifolium : Towards the end of the winter, before the buds get bigger, let’s apply a defensive treatment against the most common fungi diseases, using a fungicide based on sulphur and copper.