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Radish

Heirloom Radish Seeds: The Fast-Growing Heralds of Spring

Radishes (Raphanus sativus) are the ultimate instant-gratification crop for the home gardener. At Firefly Farm & Mercantile, we curate heirloom radish seeds that are selected for their crisp texture, vibrant colors, and range of flavors from mild and nutty to sharp and peppery. Perfectly suited for the cool, moist soils of the Driftless Region, our non-GMO varieties are among the first seeds you can sow in the spring, often providing a crunchy harvest in less than a month.

A Spectrum of Shapes and Seasons

Our collection features radishes for every palate and planting window. Choose classic Spring Radishes like "Cherry Belle" or "French Breakfast" for quick, early-season snacks. For the gourmet gardener, our Specialty and Winter Radishes—including the beautiful "Watermelon" and the robust "Daikon"—offer larger roots that are perfect for pickling, fermenting, or roasting. Because they grow so quickly, radishes are an excellent "marker" crop to plant alongside slower seeds like carrots or parsnips.

Quick Radish Growing Facts:

Planting Window: Direct sow as soon as the soil can be worked in spring. Succession plant every 10 days until the weather turns hot; sow again in late summer for a fall harvest.
Days to Harvest: 25–30 days for spring varieties; 50–60 days for winter varieties.
Hardiness: Very cold-tolerant; light frosts enhance the crispness of the root.
Soil Preference: Prefers loose, well-drained soil. Avoid high-nitrogen fertilizers, which cause lots of leaves but tiny, "woody" roots.
Expert Tip: To prevent your radishes from getting too "spicy" or woody, ensure they have consistent moisture and harvest them as soon as they reach their mature size. If the soil dries out or they stay in the ground too long, the flavor intensifies and the texture becomes fibrous.

Explore our selection of traditional, spicy, and colorful heirloom radish seeds below. Every packet includes expert sowing instructions to help you achieve a rapid, high-yield harvest.