I don’t like to waste the stems, so I always trim them and include them in the juice. Any melon can be substituted for the cantaloupe. My juicer doesn’t do a great job with citrus rind. I also find it adds a lot of bitterness to the juice, so I cut it away. It is edible, so that part is optional. Some juicers can’t handle big pieces of fruit or veggies, and it becomes necessary to chop the vegetables before juicing, which will add a little more prep time.