I sometimes let them get bigger, but there is a fine line between a big radish and a ruined, woody one. If the radish is 1/2 to 1 inch across, the crop is ready to harvest. For fresh market sales, harvest roots at 2 1/2 inches. If the radish is 1/2 to 1 inch across, the crop is ready to harvest. Daikon can vary, so check the growing time when you buy the seed. Daikon / White Radish grows to maturity in approximately 2 months. Raw daikon radish has a sweet and lightly spicy flavor, and it tends to be milder than a peppery red radish. Planting daikon radishes isn’t difficult and once you learn how to grow daikon radish plants, you’ll be able to enjoy them year round in warm climates or replant them each year in cooler regions. So, not only can you toss the radish root into a salad, snack on the delicious pods, but you can harvest radish seed pods as well. Dig all remaining roots before the ground freezes and store throughout the winter (use as needed). Although radishes are easy to grow, knowing when to harvest is the key to perfect radishes with crisp roots and mild flavor instead of hot as fire and as pithy as corks. Then, harvest radishes every day or two until all the radishes are gone. credit: Shana84/iStock/Getty Images. Radish grows well in cooler climates but requires good sunlight. By Stan V. Griep American Rose Society Consulting Master Rosarian – Rocky Mountain District. Begin harvesting radish leaves when they are young and tender and the roots are just forming. White Beauty. You can begin picking radishes when the roots are about an inch (2.5 cm.) Radishes can be grown indoors with proper growing conditions. Yes, you can save seed from radishes. When used as a food crop, Daikon radishes can be harvested approximately 60 days after planting. Radishes can be harvested by pulling or by gently loosening the surrounding soil. Oh yes, you can then compost the rest of the plant so not a stitch of it is wasted. How to Harvest Radishes. Harvesting. I have been growing radishes even longer than I have grown roses; they were a part of my very first garden on the farm where I grew up.My favorite radish to grow is one that is red on top and a bit of white on the bottom; at Burpee Seeds they are known as the Sparkler. The small red radish most of us are used to will be ready to harvest as soon as three weeks from planting. The roots … When it appears to be almost an inch across, it is ready to pick. If your radishes … If you know the answer to this question, please register to join our limited beta program and start the conversation right now! Radishes can be stored in the refrigerator for about a week. The somewhat squat shape indicates that these radishes are sown in very cool soil and mature in 30 days. That means fleshy, nutritious roots to harvest in just over a month. This robust white radish dates back several hundred years as a distinct type. So, not only can you toss the radish root into a salad, snack on the delicious pods, but you can harvest radish seed pods as well. Just pull one out to check on the size. Cooked, daikon tastes mellow and sweet and becomes tender, similar to a cooked turnip. This heirloom radish matures in less than month: 25 days. Remove the leaves with garden snips, wash the radishes and place them in plastic bags. Harvest the sample radish by grasping the bottom of the foliage near the soil and firmly pulling upward. Tops break off easily during harvesting, so radishes should be harvested by hand. White Radish. If the radish is 1/2 to 1 inch across, the crop is ready to harvest. Raw daikon radish has a sweet and lightly spicy flavor, and it tends to be milder than a peppery red radish.