Black Spanish Round is an unusual and unique, black-skinned variety with crisp, hot, white flesh. This variety can be sown till august. It can be harvested about 50 days after sowing.
Raphanus sativus ssp. niger
Outdoor sowing: middle of June - beginning of September
Germination: 6 - 10 days
Germination temp.: 10 - 18 °C
Sowing depth: ½ - 1 cm
Plant distance: 15 - 25 cm
Distance in rows: 25 - 35 cm
Soil conditions: sandy and loamy
Plant position: sunny
Days till harvest: 60
Sow small amounts each time You sow, because this radish variety gets a lot bigger than other varieties. Sow outdoors from the middle of June till the beginning of September. Sow thinly and sparsely and cover the seeds with a thin layer of soil. Keep about 10 - 15 cm between the seeds. And about 25 cm between the rows.
Thin the seedlings to 15 - 20 cm apart, when they're large enough to handle. For a continuous harvest: sow small amounts every 2-3 weeks. Don't use to much fertilizer because too much feeding can cause rotting.