Polystichum aculeatum

Pests Polystichum aculeatum : Avoid pesticide treatments if we do not see parasites on the plant; on the contrary at the end of the year we can apply a Bordeaux mixture treatment, to prevent the growth of fungus.

continental : Waterings for The Polystichum aculeatum 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 : Grow The Polystichum aculeatum away from direct sunlight, in a semishady location.
This is a very rustic garden plant, that should not have problems even in case of very intense frosts.

alpine : These plants like few hours a day of sunlight, therefore place them in a location where they are exposed to a filtered sunlight or that are shaded for few hours a day.
The Polystichum aculeatum is very rustic and can be grown in the garden all year long; it does not suffer from even intense frosts.

mediterranean : These plants need to be placed in semishady locations for most part of the day.
The Polystichum aculeatum does not suffer from cold and frost; this is a plant that can be grown in the garden all year long.

Fertilize Polystichum aculeatum : It is advisable to fertilize houseplants every 15-20 days, from March to October, adding the fertilizer to normal waterings. In winter give some fertilizer every 30-40 giorni.