Large Round Radishes
Produces rounded roots that can grow to impressive sizes while maintaining good eating quality under suitable conditions.
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German Giant Radish is a fast-growing heirloom vegetable variety known for its large, round roots, vibrant crimson-red skin, and crisp, mild white flesh. Unlike many radish varieties that become woody as they grow larger, German Giant can retain its appealing texture and mild flavor at larger sizes under suitable growing conditions. These radishes are ideal for home vegetable gardens, raised beds, containers, and fresh kitchen harvests.
Produces rounded roots that can grow to impressive sizes while maintaining good eating quality under suitable conditions.
Develops attractive red skin with crisp, white interior flesh that adds color and texture to fresh meals.
Offers a mild, refreshing radish flavor and firm texture suitable for salads, snacks, and vegetable platters.
Often reaches harvest size in approximately 28–33 days, depending on weather, soil conditions, and cultivation practices.
| Product Name | German Giant Radish Seeds |
| Scientific Name | Raphanus sativus |
| Common Name | German Giant Radish |
| Plant Family | Brassicaceae |
| Plant Type | Annual Root Vegetable |
| Variety Type | Heirloom, open-pollinated variety |
| Root Shape | Round to globe-shaped |
| Root Color | Red to crimson |
| Flesh Color | White |
| Flavor | Mild, crisp, and refreshing |
| Days to Maturity | Approximately 28–33 days |
| Germination Time | Approximately 3–10 days under suitable conditions |
| Sowing Method | Direct sowing outdoors or in suitable containers |
| Planting Depth | Approximately 0.5–1.3 cm (¼–½ inch) |
| Seed Spacing | Sow approximately 1–2.5 cm apart, then thin seedlings |
| Final Plant Spacing | Approximately 5–7.5 cm apart |
| Row Spacing | Approximately 15–30 cm apart |
| Sunlight | Full sun to partial shade, depending on climate |
| Soil Requirements | Loose, fertile, well-drained soil rich in organic matter |
| Watering | Regular watering to maintain consistent soil moisture |
| Growing Season | Cool-weather growing periods, typically spring and autumn |
| Growing Locations | Home gardens, raised beds, vegetable plots, and containers |
| Harvesting | Harvest when roots reach the preferred size and remain tender |
| Seed Quantity | Depends on the selected seed packet or package size |
German Giant Radish Seeds are an excellent choice for gardeners seeking fast-growing vegetables with attractive red roots and crisp, mild white flesh. With cool growing conditions, loose soil, and consistent moisture, this heirloom variety can provide a rewarding harvest for fresh salads, snacks, and everyday meals. Sow successively during suitable weather to enjoy multiple harvests throughout the growing season.
Find answers to common questions about German Giant Radish root size, growing requirements, and harvesting.
German Giant is known for producing unusually large, round radishes that can remain crisp and mild as they increase in size. Under favorable conditions, roots may reach approximately baseball size, although actual dimensions vary. Consistent moisture, cool weather, and suitable soil help maintain good texture.
Excessively crowded seedlings, hot weather, compacted soil, and inconsistent moisture can limit root development. Thin seedlings to approximately 5–7.5 cm apart, provide loose soil and adequate sunlight, and maintain consistent moisture. Avoid excessive nitrogen fertilizer, which can encourage leafy growth at the expense of root development.
German Giant Radishes commonly mature in about 28–33 days after sowing. Begin checking the roots around the expected maturity date and harvest when they reach your preferred size. Although this variety can stay crisp as it grows larger, harvesting during cool weather with consistent soil moisture helps preserve its mild flavor and crunchy texture.