Ya its definitely normal. Its swelling of the node, or so I was told.
GetThisOrDie Reviewed by GetThisOrDie on . What are these "bubbles"? Its between the leaf stem and the main stalk. Quite a few plants have these, it looks like a bubble. Does this have to do with growth?This is my 2nd grow, and I don't recall seeing these the first time around. Rating: 5