Symphytum Officinale - Comfrey  - Köhler
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Dry comfrey - 100 grams

Dried comfrey for use in herbal teas or decoctions in agriculture or viticulture.

4.90 CHF Tax included

4.78 CHF Tax excluded

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We offer dried comfrey, as far as possible certified organic and sometimes Demeter, for use in herbal teas or decoctions in organic and biodynamic agriculture & viticulture.

Comfrey (officinal and Russian)

Comfrey is a robust perennial plant, characterized by decurrent leaves and flowers grouped in terminal clusters, which can reach an impressive size thanks to its high growth potential.

Comfrey thrives in alluvial valleys and riparian forests, while indicating soils rich in water and high carbon organic matter. It also grows in anthropogenic environments such as hedges, wastelands and road embankments.

Use of comfrey in viticulture

Comfrey is rich in Allantoin, a stimulant of cell multiplication. It is often recommended as an anti-stress after hail or climatic shocks, a real plant for treating wounds. It also contains hormones that promote flowering and fruiting.

Comfrey offers a full range of essential nutrients such as nitrogen, iron, potassium, phosphorus, silica and various trace elements, thus strengthening the immune system leaves and fruits against fungal diseases such as downy mildew and powdery mildew, while limiting botrytis and improving fruit conservation at the end of the season. However, for optimal protection, it is recommended to mix it with cupric products and sulfur, thus allowing the usual doses of these products to be reduced.

Recommended dosage and preparation advice

100 g/ha of dry comfrey or between 800 g and 1 kg of fresh comfrey (if you harvest it yourself).

To prepare comfrey tea, put the comfrey in rainwater or non-chlorinated water and heat it until it simmers then turn off the heat and let it infuse between 30 minutes and a few hours. After filtration, you can dilute in the volume of water intended to be distributed over 1 hectare.

Comfrey tea is often used in addition to copper and sulfur, the dosages of which can thus be limited.

It is also possible to use it in the form of nettle manure, the properties of which are explained here: Fermented comfrey extract

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