Jill, I am fine with anything on the trays/domes. And yes, the Japanese Iris have thin straight leaves.
Chantell, if you are getting Egyptian onions, I will split or buy some from you if you have some to spare. I found them to be very pricey online, but worth it I think esp. if splitting. They are super easy to grow, they just shoot up in the spring first thing, sometimes even in the snow and I always cook with them, I esp. like to put them in my omelet in the morning. They are used just like spring onions, although they are not as tender but doesn't matter if you are cooking them, I even use the tops fresh without cooking too. I love to have greens in early spring outside to harvest as all other greens are at least a month or two away and they always come back plentifully.