Onoclea sensibilis - Sensitive fern

Pests Onoclea sensibilis : The treatments are applied only in case there is an effective presence of parasites on the plant, using specific products. We suggest to avoid any treatment during bloom, which can injure pollinating insects.

continental : The Onoclea sensibilis prefers rather dry soils; water it regularly from March to October, during the rest of the year water it occasionally. We remind to leave the soil dry for few days before watering it again, specially when the temperature is lower. We can suspend waterings in winter.

alpine : It is advisable occasional waterings, only when the soil is very dry. In any case we remind to increase waterings in summer and suspend them in winter.

mediterranean : It is advisable rather regular waterings in spring and summer, always allowing the soil to remain very dry for few days, before watering again. When the cold period starts we can decrease waterings and suspend them in winter.

continental : Grow the Onoclea sensibilis 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 Onoclea sensibilis 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 Onoclea sensibilis does not suffer from cold and frost; this is a plant that can be grown in the garden all year long.

Fertilize Onoclea sensibilis : Shrubs fertilizing is given at the end of winter and at the end of summer, by burying at the base of the trunk a granular fertilizer or preferably a ripe organic fertilizer.