Kohlrabi Seed Early White Vienna 25 Seeds Fresh Seeds Gardening All seed lots are tested for germination. All seeds are packaged and for the current growing season. Seeds can be sown directly into garden when soil is warm or started in containers and transplanted when several inches tall. To plant these seeds, choose a place that gets direct sunlight for 6-8 hours a day and prepare fertile and loose soil. Plant the seeds at a depth of about 2-3 cm, make sure the roots of the seeds are well submerged, then cover with soil and water slowly. For best results, plant the seeds in the prepared holes with a distance between seeds of about 20 cm so that the plants can grow optimally