genus Raphanus sativusRadishes are best sow in fountain or late summertime , mature when days are shorter , sunlight weaker , and temperatures milder ; though some varieties are good able to handle summer conditions . The gently savoury roots , humbled in calories and rich in fibre and cancer - fight antioxidants , have good qualities as a digestive soda or to reset the sinuses and still sore throats . Anti - microbic prop made them a detoxifier in traditional practice of medicine , and couple with high-pitched vitamin C for an resistant cost increase . Do n’t discard the tops , as they are even denser with food . Days to maturity calculated from day of the month of direct seeding . Culture• set up the bed by working compost into the top 2 - 3 inches of soil• Needs consistent soil moisture due to shallow antecedent systems• Dry or crowded conditions will slow ontogeny and make roots spicy or pithy• The time of year may be extended from February through October by sowing in cold frame of reference or using words covers• For extended harvests flora every two weeksDirect Sowing• Direct sow spring through early summer• Three Gram will seed 7 - 8 row feet• It is crucial to slim right away when they take shape 2 true leaves• Sow mid - August — mid - September for a fall cropInsects & Diseases• Common insects : See Brassica Insect Information below• Disease prevention : 5 - 7 year craw rotationHarvest & Storage• Harvest while still new ( before splitting)• Remove tops before storing• have a few works bolt and make a seed pod — unripened pods have a crunchy , mild radish flavor• Store at 36 ° F and 100 % relative humidityBrassica Insect InformationAphids : Control aphids with ladybugs or a hard atomiser of water or Pyrethrin . Also , select varieties that mature later in the time of year when aphid populations decline . Cabbage worms , loopers , and root maggots : The first star sign of cultivated cabbage worms will be off - white butterflies fluttering near the plants . They lay their yellowish - distort testis on the undersides of leaves , which think up into caterpillars that can cause stern root and head wrong . To hold light infestation , spray plants with Bacillus thuringiensis ( B.t . ) . For ponderous infestation , bait cabbage worms by commingle wheat berry bran into a B.t . solvent . tote up 1 tablespoon of molasses . Broadcast the bran salmagundi around the base of plant . Reapply as necessary . Using Reemay or Summer Insect Barrier can also supply ascendancy . Flea beetle : Flea beetle chew midget pinholes in parting . Early control is essential to minimize the hurt . Spray infected plants with Pyrethrin . Using swim row cover such as Summer Insect Barrier can also provide command . Symphylans : In some areas of the US , symphylans ( also recognize as garden centipede ) can severely close up the plant ontogeny of many crops . Only 1/4 column inch long , white , and very active , they exhaust the root hairs of developing plants . Using larger transplant helps trim back terms . Contact your local county extension agent if you suspect you have a problem .
Radish Growing Guide
Radish Growing Guide Soil Temp for Germ. Days to Emergence Seed Depth Thin Plants To Seed Spacing Row Spacing Min. Germ. Seed Life Seeds per gram Fertilizer Needs 45-80°F 4-11 1/2" 1-2" 1/2" 8-12" 80% 4 years ≈ 80 Low Raphanus sativus Radishes are best sown in spring or late summer, maturing when days are shorter, sunl %%Excerpt%%