The three plants that look bigger you can ,plant,providing you bent them down in the winter and cover them with 4 inches of soil.
They will establish much better if you plant them in ground than if you ptake them inside if your goal is to plant them in ground at the end.
But the more protection the better at this stage.
Also pinch the tips from now on,so it will not grow any taller ,but grow thicker,and grow strong roots,instead.