PINCHING OUT ANTIRRHINUMNS

Question

I HAVE BOUGHT A TRAY OF 6 MADAM BUTTERFLY ANTIRRHINUMNS, THEY ARE 6/7 INCHES TALL WITH 2 SETS OF LEAVES, HOW FAR BACK SHOULD I PINCH THE TOPS OUT?

Answer 1

Don't take any more than one third of the height of the plant when cutting it back. Here's an article on snapdragons:
https://www.gardeningknowhow.com/ornamental/flowers/snapdragon/growing-snapdragon.htm