Mahonia aquifolium - Hollyleaved barberry

continental : These plants prefer partially shady places, where they can be exposed to direct solar rays only in the evening or early morning hours.
The Mahonia aquifolium is a very rustic plant, that can bear very harsh temperatures; it is advisable to grow it in the garden.

alpine : Let's choose a partially shaded place for our plant, where it can be exposed to direct sunrays for a few hours a day.
The Mahonia aquifolium is surely a rustic plant, it’s possible to grow it in the garden year round.

mediterranean : Locate this plant in a partially shady place, where it can receive solar rays during the coolest hours of the day.
The Mahonia aquifolium is a rustic plant, which can be planted in the garden during the whole year.

continental : Watering during this period of the year must be frequent and regular; let’s irrigate at least every 1-2 weeks with 1-2 buckets of water, watering more often during the hottest days of the year.

alpine : During the summer these plants need regular and abundant watering, to be done every 2-3 weeks, waiting for the ground to dry between an irrigation and another. The recommended doses are 0-1 buckets of water.

mediterranean : Let’s irrigate the the Mahonia aquifolium every 0-1 weeks, always waiting for the soil to be dry before wetting it again with 2-3 buckets of water.

Fertilization Mahonia aquifolium : During the summer period usually it isn’t necessary to fertilize shrubs; when planting newly, let’s remember to add a slow release granular fertilizer, or mature manure to the ground. Let’s also check for symptoms of nutritional lacking, to correct with specific fertilizations.

Treatments Mahonia aquifolium : During the hot months attacks by ticks and rust are likely; the treatments should be applied during the coolest hours of the day. If possible, we suggest avoiding treatments with wide-range products, which could kill the populations of useful insects: let’s favour specific products.