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Different planting methods exist for growing onions, such as from seeds, onion sets, or mature plants. Onions are cool-season vegetables that can be planted in early spring or fall, depending on your location.
This process depends on temperature, humidity, and soil type. Well-drained soil rich in nutrients is optimal for growing onions, while clay soil should be avoided. If the growing conditions are not optimal, this onion growing stage may take a few weeks longer.
During photosynthesis, the seedling converts sunlight into energy. The onion plant uses this energy to grow green vegetation.