Eatable wild plants
It is possible to receive free seeding material from the "Dahlemer Saatgutbank" of the botanic garden. If your are interested, please contact Dr. Antonia Humm (E-Mail: email@example.com, Tel. 838 61688)
Old crop plants
Old crod plants can be obtained by the following associations:
VERN: Associations for retention of crop plants in Brandenburg
VEN: Associations for retention of diversity of crop plants (here you can order seeding material after paying a fee)
The Leibniz Institute of Plant Genetics and Crop Plant Research (IPK) offers seeding and plant material for a small fee.