- Radish 18 De Jours 18 days. Old French variety gives unbelievably rapid yields! The name translates as “of eighteen days,” and this radish will yield roots in 18 days under ideal conditions! Round to cylindrical roots are red with white tips; flesh is crisp and juicy. A French breakfast type, often grown under glass for off-season production.
- Full Sun
- Sprouts in 3-6 Days
- Ideal Temperature: 50-75 Degrees F
- Seed Depth: 1/4 inch
- Plant Spacing: 2″
- Frost Hardy: Yes
- Raphanus sativus
HOW TO GROW RADISHES
- Thin radishes to about 2 inches apart when the plants are a week old. Crowded plants do not grow well.
- Consistent, even moisture is key. Keep soil evenly moist but not waterlogged. A drip irrigation system is a great way to achieve this.
- Putting a thin layer of mulch around the radishes can help retain moisture in dry conditions.
- Radishes will be ready to harvest quite rapidly, as soon as three weeks after planting for some varieties.
- For most varieties, harvest when roots are approximately 1 inch in diameter at the soil surface. Pull one out and test it before harvesting the rest!
- Do not leave radishes in the ground long after their mature stage; their condition will deteriorate quickly.
- Cut the tops and the thin root tail off, wash the radishes, and dry them thoroughly. Store in plastic bags in the refrigerator.
- Radish greens can be stored separately for up to three days.
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