My most favorite herb is rosemary. I have been known to use it in just about everything from pork to potatoes to green beans to popovers to roast chicken…. if it is savory, I have thrown in rosemary. I have to say, I have never used it in a cocktail. This vodka rosemary lemonade fizz sounds like a most delicious, refreshing summer beverage. I drink a lot of seltzer and I am always looking for something to make it a little more exciting. For me this is probably too much sugar so I will have to play with the proportions a bit and maybe even make a simple syrup separate from the lemon rosemary syrup without sugar so that I can adjust as necessary. Vodka will be optional.
iamlizbeth.com 
Why are you fussing around with rosemary? I gave you the perfect seltzer drink. Lemon and tabasco. get wit the program.
Ah yes, good old “burn your neck” cola, how could I forget.