Mahonia aquifolium - Hollyleaved barberry

Treatments Mahonia aquifolium : Flowering plants shall be treated only away from bloom, to avoid to injure pollinating insects; normally it is advisable to use specific products and only when the parasite is present on the plant.

continental : It is advisable regular but not excessive waterings; increase waterings in spring and summer and decrease them when the cold period starts, suspend them in winter. Always allow the soil to dry out completely between two waterings. Avoid water stagnations.

alpine : Water the Mahonia aquifolium 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.

mediterranean : It is advisable to intervene only when the soil is dry, however avoiding to expose the plant to long duration drought periods. We can decrease waterings or even suspend them during cold months.

continental : The Mahonia aquifolium prefers to be grown in half-darkness.
Grow the Mahonia aquifolium outside all year long; it is a rustic plant.

alpine : It prefers semishady locations, where it can receive few hours a day of sunlight.
This is a very rustic plant, that is grown in the garden all year long without any problem.

mediterranean : We suggest to place these plants in a semishady location for a balanced growth.
These plants are very rustic and survive in the garden also in case of long intense frosts.

Fertilization Mahonia aquifolium : Give a fertilizer to our shrubs at the end of winter, bury at the base of the plant a slow-release organic or granular fertilizer; we can eventually give a second fertilizing at the end of summer.