Sown in strips between crops or at the edges of fields, they attract beneficial insects (laceflies, hoverflies, ladybirds, etc.) and pollinators (Hymenoptera, bees, hoverflies, etc.) to vegetable cultivation, thus increasing yields.

Composed of 22 species of annual flowers, including dill (Anethum), cornflower (Centaurea cyanus), poppy (Papaver), viper's bugloss (Echium), mallow (Malva), field pink (Agrostemma), marigold (Tagetes), buckwheat (Fagopyrum), marigold (Calendula), sunflower (Helianthus), clover (Trifolium)….