The dried leaves are used as an aromatic seasoning for soups and vegetables[183]. They give an apple-like flavour[238]. An essential oil obtained from the distilled plant, harvested when in flower, is used as a flavouring in ice cream, baked goods, soft drinks etc[183, 238].

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The whole plant is anthelmintic, antispasmodic, aromatic, diaphoretic, diuretic, purgative and stomachic[61, 238]. It is used internally in the treatment of gastritis, indigestion and internal worms[238]. Externally, it is used to treat haemorrhoids and skin infections[238]. The plant is harvested when in flower and dried for later use[238].

This plant is widely used in companion planting schemes[238]. Secretions from the roots of growing plants have an insecticidal effect on the soil, effective against nematodes and to some extent against keeled slugs. These secretions are produced about 3 - 4 months after sowing[200]. These root secretions also have a herbicidal effect, inhibiting the growth of certain plants growing nearby. It has been found effective against perennial weeds such as Ranunculus ficaria (Celandine), Aegopodium podagraria Ground elder), Glechoma hederacea (Ground ivy), Agropyron repens (Couch grass) and Convolvulus arvensis (Field bindweed)[200, 238]. An essential oil distilled from the leaves and flowering stems, harvested when the plant is forming seeds, is used as an insect repellent[46, 61]. It is also used in perfumery[238]. Dried plants can be hung indoors as an insect repellent[238]. Dynamic accumulator.

Special Uses