Organically grown seeds. The well-known annual TÃ¼binger Mixture of organic seeds is a tried and tested bee and butterfly mixture and is suitable for your garden or, for example, for the fields bordering your garden. Mix the seeds with dry sand to ensure equal and thin sowing. After sowing lightly rake the soil. Ensure that all plants are given sufficient space, also the small ones. Suitable for groups, borders and flower beds. 350gr. Tubingen mix for 500m2.