Plant Onion Sets with Egg Carton Trays – Easy Step-by-Step Grid Method 🌱🧅 1️⃣ Use paper egg cartons (not foam or plastic). 2️⃣ Prep a loose garden bed and mix in a little compost 🌿 3️⃣ Lay the trays flat and lightly wet them so they stick to the soil 💧 4️⃣ Place one onion set per cup (pointy end up ⬆️) 5️⃣ For larger bulbs, plant in every other cup for better spacing 📏 6️⃣ Cover with ½–1 inch of soil — don’t bury too deep 🌍 7️⃣ Water gently to settle everything 💦 8️⃣ Keep soil evenly mois