Month to Month Care for Radish
Month of March Radish - Radishes are popular because they are easy to grow and are usually the first crop harvested in spring. Start planting in March as soon as the soil can be worked. Sow 1/2 inch deep in rows or in a band 6 to 10 inches wide. Thin to 1 to 2 inches between plants. Plant some radishes every 10 days up to early May for a steady supply.
Month of April Radish - Plant some every 10 days up to early May for a steady supply. Sow 1/2 inch deep in rows or in a band 6 to 10 inches wide. Thin to 1 to 2 inches between plants.
Apply some slow release granular fertilizer to the soil as your prepare to plant your radishes. Be careful not to use too much as excessive nitrogen may give large pithy roots.
Month of May Radish - Pull radishes when they are young and tender. If left in the ground too long, they get tough, hot tasting and stringy. Wash radishes and place them in the refrigerator. They will keep 2 to 3 weeks or until the next planting is ready for harvest
Month of June
Month of July
Month of August Radish – Optional – You can grow radishes for fall harvest starting in August. It is best to cover the seedlings with shade cloth or fleece during the head of the summer. Plant radish every ten days into September.
Month of September
Possible Problems of Radish
Symptoms Probable Cause
Tiny, black hopping insect, shot holes in foliage Flea Beetles
Young plants wilt in heat, may yellow and die. Root Maggot
Leaves yellow, slow growth, plant wilts, dies Black Root Rot
Seedling stems severed Cutworm
Holes chewed from outside to middle of leaves Vegetable Weevil
Not thinned; high temperature; too little sun; too much nitrogen Poor Root Development
Pale leaves turning yellow Nitrogen Deficiency
Reddish purple leaves Phosphorus Deficiency
Leaf centers dark green Potassium Deficiency