Polystichum aculeatum

continental : Avoid too much sunny locations, preferring semishady places.
There are not big problems to grow these plants, since they can easily tolerate also very intense frosts.

alpine : For a balanced growth and in order to avoid leaves sunburns place this plant in a semishady location.
They are rustic plants that tolerate frost very well; therefore they can be grown outside all year long.

mediterranean : It is suggested to place The Polystichum aculeatum in a semishady location, away from direct sunlight for most part of the day.
This plant is very rustic and tolerate winter climate without any problem.

Fertilize Polystichum aculeatum : These plants need rather frequent and regular fertilizings; during the most luxuriant vegetative period add some universal fertilizer to normal waterings, every 10-15 days; during the cold season fertilize every 30-45 days.

continental : These plants shall be watered regularly from March to October, avoiding excessive waterings and remember to allow the soil to dry out well between two waterings. During cold months we can avoid watering.

alpine : Water The Polystichum aculeatum regularly, specially in summer, always allowing the soil to dry out completely between two waterings.

mediterranean : It is advisable to water these plants regularly, using a good amount of water and watering deeply the soil; allow the soil to dry out between two waterings.

Pests Polystichum aculeatum : We can apply a copper and sulphur treatment at the beginning of the vegetative period, which avoids the emerging of different kinds of fungus; during the rest of the year apply pesticide or fungicide treatments only in case a big amount of parasites is on the plants.