I harvested all my red onions because the tops were getting powdery mildew and I didn’t want the disease going down into the bulb. As it is a few of them are soft and floppy in the stem just above the bulb, so if I had left them, the onion may have started to rot. I will use the soft ones first.
The rest are laid out on the concrete in the sun in order to dry. Once the stems are completely dry, they should store OK. I got 40 onions, plus a few that I have harvested over the last 2-3 weeks, all from a $2.99 punnet of seedlings. I reckon that is pretty good value.