How are you supposed to know which seedlings/ young plants, need to be pinched out. It is never mentioned on the seed packet and rarely in books.
Most of them but if you tell us what you’ve got, we can tell you yes or no?
Agree with Lyn, I pinch out almost everything.
Hi, I have dianthus, Penstemon ,salvia Amistad, all cuttings. just sown, calendula art shades, zinnia and cosmos. Thank you for replying.