Certified GKH Gardening Expert
I notice that they are still too young to have developed tendrils for climbing, just yet. Once you notice the tendrils that protrude from the tips elongate, then it will begin to start seeking something to attach to.
These appear to be the ornamental Sweetpea, and not the edible Sweet Pea, also. Sweetpea, the ornamental, is poisonous.
Here is an article that will help: