how long are you gonna veg for? that is what it comes down to. it will get tall if you let it....like 6-8 feet easy if you let it go for a long time. if you are space limited i suggest either keeping veg time to a minimum or topping it and training it. also i would count on it growing by 3x from the time you switch to flower to finish. its a haze its gonna stretch. good luck, and the bud should be really good, so pop the seed and grow it!!!