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Pests and weeds

Nettles

Characteristics:
Nettles are typical herbaceous plants of locations and sites in milder zones, where there is plenty of decomposing organic matter in the earth. Both the stem and leaves of the nettles are covered by a thick fur containing a caustic liquid that, upon contact, causes skin to redden and burn: this has perhaps determined the general dislike that currently surrounds this plant that, in actual fact, has beneficial properties. Where nettles are present, in fact, the earth is enriched and nearby plants prosper. In addition, if nettles are added to a compost heap, they can speed up maturation. Square section stems of urtica dioica, the perennial nettles, rise straight up to over a metre and a half of height – common nettles. Leaves are small, heart-shaped at the base, but with a sharp point, and toothed edges. They are finely incised and covered by hairs that irritate. Nettle leaves have a delicate taste and depurative properties. When boiled they lose their feared irritant power and should really be better appreciated in the kitchen. Nettles grow everywhere, but prefer a substrate rich with nitrogen substances, and as such they grow particularly well near country houses, at the foot of walls and near fertilisers.