Nettle (fresh leaves)

Fresh leaves of nettle (Urtica spp.), a perennial herb with stinging hairs, common on nitrogen-rich soils.

Characteristics

Leaves rich in protein, calcium, iron, magnesium and chlorophyll.
Its stinging hairs contain formic acid, histamine, acetylcholine and silica.
Traditionally used in liquid manure fermented in water for one to three weeks.
Urtica spp. is approved in the EU as a basic substance (Implementing Regulation (EU) 2017/419).

Role in the preparation: Supplies nutrient-rich plant material that is fermented or steeped in water to make a liquid manure.

Caution: Wear gloves and long sleeves when harvesting, cover the container without sealing it because of the strong smell, and check local regulations before any use.

Sources: EUR-Lex - Commission Implementing Regulation (EU) 2017/419 approving the basic substance Urtica spp. · PMC - Review on the composition of stinging nettle (Urtica spp.) · Ajuntament de Barcelona - Tractaments naturals (purí d'ortiga)

Documentary information: this is neither a recommendation for use nor a plant-protection or veterinary claim. Check your country's regulations before any use.