Gunnera manicata - Giant rhubarb

Feed Gunnera manicata : We should enrich the soil near our perennials with some manure or earthworm humus, or with some slow release fertilizer. Besides improving the soil, making it softer and permeable, organic fertilization brings a good dose of nitrogen, which melts in the soil in about 3-4 months.

continental : Let's grow the the Gunnera manicata where it can enjoy as many hours as possible of direct sunlight.
During the autumnal months the the Gunnera manicata can’t stand the cold; it can tolerate temperatures a few degrees below zero without any problems.

alpine : Plant which needs to be exposed to direct sunrays.
These plants can bear short freezing without problems; when the minimum temperatures are below -5°C, we suggest covering the the Gunnera manicata with a non-woven fabric.

mediterranean : Locate the the in a sunny place, where it can receive direct solar rays for at least a few hours a day.
These plants can stand without problems harsh climates, with minimum temperatures a few degrees below zero, therefore they can be grown in the garden.

continental : Water regularly, every 1-2 weeks with 2-3 glasses of water, wetting the ground deeply, but waiting for the substratum to dry completely between an irrigation and another one; avoid stagnant water.

alpine : When the ground is thoroughly dry, we should water regularly but without exceeding, usually using 1-2 glasses of water. Keeping the dampness of the ground under control let’s water every 2-3 weeks.

mediterranean : The Gunnera manicata doesn’t request too much watering; we should act with 3-4 glasses of water only when the soil is very dry, every 0-1 weeks, avoiding immoderation.

Adversity Gunnera manicata : When the climate is still not too harsh we should apply a wide range fungal treatment, vaporizing the fungicide even on the soil on the feet of the plants. Let’s remember to collect and destroy the leaves of the plants affected by black spot disease or by leaf curl disease.