When Should You Harvest Radishes?


Quick Answer

Radishes should be harvested when they are 1/2 inch to 1 inch in diameter. Radishes can be grown in spring or fall. Most spring radish varieties require about 25 days to reach maturity from the time of seed germination.

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Full Answer

Spring radishes grow quickly and easily in cool weather. Once the radishes reach maturity, they can quickly turn pithy and are undesirable for eating. When planting radishes, make a note of the expected harvest date (which can be found on the seed packet) on a calendar. About five days before maturity, start checking the plants for size. Winter varieties of radish are more forgiving. They have a better storage life and take longer to mature. The harvesting window for these fall-planted types is longer, but the plants should not be exposed to freezing temperatures.

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