Different sources list different herbs that were believed to have been used for this ancient charm. Here is one list:

Crab apple, Malus sylvestris

Mugwort, Artemisia vulgaris

Plantain, Plantago major

Lamb’s Cress, Caradmine hirsuta or Watercress Nasturtium officinalis

Fumitory, Fumaria officinalis or Corydalis solida

Chamomile, Anthemis nobilis or Matricaria recutita

Nettle, Urtica spp.

Chervil, Chaerophyllum aureum or Sweet Cicely, Myrrhis odorata

Fennel, Foeniculum vulgare

Source: herbalhistory.org