On 19 Mar, 11:56, "Amethyst Deceiver"
wrote:
Should I replant last week's peas, broad beans and onion sets or is there
still a chance they'll survive?

I wouldn't worry about the onions - but you're early with peas/broad
beans. I would wait and see - however how tall are your peas/broad
beans? Or have you just planted the seeds?