500 Champion Radish Seeds | Heirloom, Easy to Grow, Perfect for Salads The "Champion" radish is a top choice for cooler climates and thrives particularly well in lower temperatures. This variety produces crisp, round, scarlet-red radishes with a mild white interior, making them ideal for use in salads and garnishes. Known for being a heavy yielder, "Champion" radishes are easy to cultivate, highly resilient, and perfect for gardeners of all levels. This heirloom radish, scientifically named Raphanus sativus, is an annual plant that flourishes under full or partial sun. Its preferred growing season is the cooler months, making it an excellent root vegetable to plant in early spring or fall. It is a fast-growing, low-maintenance variety, recognized as an AAS (All-American Selections) winner, and is even suitable for growing microgreens. The radishes typically grow to a size of 1-2 inches in diameter, and you can expect a harvest in under 30 days. For optimal growth, space the plants 2-3 inches apart and plant seeds at a depth of 1/2 inch in well-prepared soil.