@Dovefromabove Thank you, that's very helpful indeed. I'll keep an eye out on night temps and will bring the seedlings pots and trays inside when required. I am guessing that anything below 5-7 degrees would warrant the move.
I also wish I could have a green house, but I've nowhere to put it short of the middle of the lawn - and that will never be allowed by the rest of the family
@Chris-P-Bacon I have started potting some up using the leggy seedling planting technique. Fingers crossed this batch will grow into good plants.
Hi Sophie, I was too eager as well with my cosmos and used that suggested transplant method on mine at the beginning of March and they have survived. I also pinched them out. I’ll try and post you a picture.
I sow mine in a north facing window, as well, but I turn them at least 3 times a day to stop them going leggy, I would have thought it would be too early to put them in a greenhouse of that sort.
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I also wish I could have a green house, but I've nowhere to put it short of the middle of the lawn - and that will never be allowed by the rest of the family