[header] How to harvest radishes [title] Give the radishes time to mature. [step] Many varieties mature quickly, only needing as few as three weeks before they are ready to harvest and eat. Allow the radishes in your garden to mature, but once they mature, harvest them quickly. 
[substeps] Spring radishes mature quickly and tend to degrade quickly if left in the ground for a few days longer than necessary. Winter radishes can be neglected a little more since they take longer to mature and longer to spoil in the ground.