yeah man. just clip the freshest newest groath at the very top node. use fingernail clippers. then you single stalk will turn to 2 like this. this was last summer in europe
now while in veg. the object is to get as much veg and stemage and as many nodes as possible so you have more bud sites. you can veg a plant for years if you wanted to then bud it when its the size of a Volkswagen