Botanical Name: Raphanus sativus (hybrid)
Days to Maturity: 65 days
Hardiness: Frost-tolerant annual
Variety Information: 3″ diameter, white radish with green shoulders, and red or reddish-pink interior. ‘Mantanghong’ is a winter radish, crisp, with a mild, sweet flavor. This hybrid produces more consistent, quality radishes than older varieties.
Type: Winter radish (Learn more)
Attributes: Good for Containers
When to Sow Outside: RECOMMENDED. 8 to 10 weeks before your average first fall frost date. Optimal soil temperature is 65°–85°F. Successive Sowings: Every 10 days for about 3 weeks. In mild climates, successive sowings can be continued until temperatures are too cold (below 40°F) for germination.
When to Start Inside: Not recommended.
Days to Emerge: 5–10 days
Seed Depth: ½”
Seed Spacing: A group of 2 seeds every 5″
Row Spacing: 12″
Thinning: When 1″ tall, thin to 5″
Harvesting: Harvest at any size—tiny for hors d’oeuvres or large for cooking, but before the ground freezes (unless well mulched).