Up to a point, but the best solution is to sow more, and don't cosset them. You coul dpinch the tops out of the ones you have, and also put them on a cooler windowsill.
I don't sow mine for another couple of weeks. By the time they've germinated and grown enough to be filling the pots with their roots, they can be acclimatised to the outdoor conditions, or go into the cold gr'house or a cold frame or similar. I sow 3 or 4 to a 3 inch pot, but deep ones as they have long roots. That means they're well established by the time they're filling those.
It's a place where beautiful isn't enough of a word....
I live in west central Scotland - not where that photo is...
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I don't sow mine for another couple of weeks. By the time they've germinated and grown enough to be filling the pots with their roots, they can be acclimatised to the outdoor conditions, or go into the cold gr'house or a cold frame or similar.
I sow 3 or 4 to a 3 inch pot, but deep ones as they have long roots. That means they're well established by the time they're filling those.
I live in west central Scotland - not where that photo is...
Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.