Onoclea sensibilis - Sensitive fern

continental : During the bitter months water from time to time, moistening the soil every 4-5 weeks with 1,2 litres of water, avoiding to wet the substratum too much. Let’s water only during the milder days, when the temperatures are very low it is best to avoid irrigating.

alpine : The soil should be kept dry, slightly dampening it every 5-6 weeks, or less, using 0,2 litres of water. If the weather is very harsh, with night frostings, it is best to avoid watering.

mediterranean : Avoid watering too much; typically watering every 3-4 weeks with 2,2 litres of water or less is enough; as the weather gets colder, the plant will need less water; we suggest interrupting watering during the coldest weeks.

continental : The Onoclea sensibilis can bear some hours during the day of direct sunlight, but it is best to locate it in a partially shady place.
These plants are located in the garden during all the seasons, as they can stand intense cold and ice.

alpine : A partially shaded place is advisable, where the the Onoclea sensibilis is exposed to direct solar rays only for a few hours daily.
These plants can stand even intense freezing without problems, so they’re grown in the garden even during the winter months.

mediterranean : Locate this plant in a partially shady place, directly exposed to solar rays for a few hours a day.
These plants can stand the cold, therefore they can be grown in the garden.

Fertilize Onoclea sensibilis : It’s not necessary to give fertilizer to shrubs during the winter.

Pests Onoclea sensibilis : Towards the end of the winter it is advised to apply a fungicide treatment using products based on sulphur and copper, to discourage the development of the most common fungal parasites.