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Vegetables A-Z: black radish

Posted on Posted in Gardening tips, Vegetables A-Z

Raphanus sativus


Sow directly to the regular spot and shade. It is not a demanding plant.

Distance between plants

At least 30 cm (12 in) between rows. Thin the plants in a row out to 15 cm (6 in) distance.




Up to 10 plants per person.

Time of planting

February-April, and July-mid August. The seeds germinate in 7 to 10 days.


Don’t fertilize, but plant where it was fertilized previously.


In drought, water once a week to 20 cm (8 in) deep.

Black radish’s good neighbors

Zucchini, melons, tomatoes, beetroot, spinach, Swiss chard, parsley, beans, peas, cress, tagetes.

Black radish ‘s bad neighbors

Brassica vegetables, cucumbers, onions.

Diseases and pests

Especially flea beetles, when the plants are still small. Tomato repels them and can be planted between the black radish plants or used as mulch. To repel cabbage fly, plant black radish among tomatoes of pole beans, and water with tobacco infused water. Use garlic juice to strengthen the plants.

Black radish’s storage

It needs 90-100 days from sowing to storage. Pick regularly, before the root lignifies. Store in moist sand and it will last till spring.


Use the leaves for juice and the root. It contains a lot of antioxidants and several vitamins and minerals.


If you sow in early spring, cover it with garden fabric to avoid flowering.


There are many varieties of radishes, different in color, size and form.