- Species and varieties: Sweet Rainbow Corn is a variety of Zea mays, commonly known as corn or maize. This particular variety is known for its multicolored kernels, which can range from yellow and white to red, blue, and purple. It is a type of sweet corn, which is harvested when the kernels are in the milk stage, making them tender and sweet.
- Hybrid or heirloom: Sweet Rainbow Corn is typically a hybrid variety. Hybrid seeds are created by cross-pollinating two different parent plants to produce offspring with desirable traits such as improved flavor, color, and disease resistance.
- Pruning and training: Sweet Rainbow Corn does not require pruning or training. However, it is important to ensure proper spacing between plants to allow for adequate air circulation and to prevent overcrowding. Plant seeds about 1 inch deep and 8-12 inches apart in rows that are 30-36 inches apart.
- Fertilization needs: Sweet Rainbow Corn has moderate fertilization needs. It benefits from a balanced fertilizer applied at planting time and additional nitrogen during the growing season. A common recommendation is to use a 10-10-10 (N-P-K) fertilizer at planting and side-dress with nitrogen when the plants are about 12 inches tall and again when they start to tassel.
- Hardiness zones: Sweet Rainbow Corn can be grown in USDA hardiness zones 3 through 11. It is a warm-season crop that requires a frost-free growing period.
- Climate requirements: Sweet Rainbow Corn thrives in full sun and requires a minimum of 6-8 hours of direct sunlight per day. It prefers well-drained, fertile soil with a pH between 6.0 and 6.8. The ideal temperature range for growing sweet corn is between 60°F and 95°F (15°C to 35°C).