Photo from the web You can grow fresh salad leaves in every season by switching between outdoor beds and simple indoor setups. Plant quick-growing seeds every 14 days to keep a steady supply of fresh greens ready for harvest. Provide 4 to 6 hours of direct sun or 12 hours under a basic LED light, and keep the soil damp with 2 tablespoons of water per pot every two days. Choose the Right Seeds for Each Season Different salad greens thrive in different temperatures. Spring and autumn suit soft leaves like butterhead lettuce, spinach, and rocket. Summer heat calls for bolt-resistant varieties such as loose-leaf lettuce and romaine. Winter growing works best indoors with fast crops like mustard greens, cress, and spicy radish leaves. Buy small packets of mixed salad seeds to save space and enjoy different textures. Check the back of the seed packet for the maturity time. Most salad varieties are ready to cut within 21 to 30 days from sowing. Store your extra seed packets in a cool, d...