Gunnera chilensis - Giant rhubarb

Treatments Gunnera chilensis : It is advisable a precautionary fungicide treatment, to be applied at the end of winter, using Bordeaux mixture. As far as insects are concerned avoid to apply a treatment if such parasites are not present on the plants.

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 Gunnera chilensis 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 : This plant prefers to be exposed to direct sunlight all year long.
These plants tolerate also slight frosts without any problem; cover the aerial part with frost cloth in winter.

alpine : Grow the Gunnera chilensis where it can be exposed every day to direct sunlight as long as possible.
They can tolerate slight frosts without any problem; cover the aerial part with frost cloth in winter.

mediterranean : Grow the Gunnera chilensis in a very bright location, with a good exposure to direct sunlight.
Normally they tolerate also long frosts without any problem, therefore they can be grown outside; in case of particularly rigid winters cover the aerial part with frost cloth.

Fertilization Gunnera chilensis : Give some fertilizer during the vegetative period, dissolving it in normal waterings every 15-20 days, or mixing a slow-release fertilizer with the soil.