Posted: 21/05/2017 at 20:35
Where did you keep the pots? A greenhouse or cold frame would have encouraged growth, especially during a cold Spring like this one. These plug plants are tiny babies. I don't think the sellers make it clear enough that they need a lot of care and won't make big plants for some time. Cape Daisies are from South Africa originally, so the North East in April isn't exactly home from home!
How warm is it up there, now? You could repot them if you have somewhere bright and warm.