Today I’m planting onion sets in the garden and I want to make sure you understand what will and won’t grow into a full bulb. Green onions from the grocery store will stay green onions. Even if an onion in your pantry sprouts a green top, planting it will almost always result in more greens, not a true bulb. Full onion bulbs only come from seeds or sets. How I plant onion sets: • Place the set pointed end up • Add a little granular fertilizer or compost in the planting hole along with mycorrhiza