Bring first 5 ingredients to a full rolling boil in a Dutch oven. Boil 1 minute, stirring constantly. Add sugar to peach mixture, and bring to a full rolling boil; boil 1 minute, stirring constantly. Remove from heat. Remove and discard rosemary sprigs; skim off any foam.
Pour hot mixture immediately into hot, sterilized jars, filling to 1/4 inch from top. Remove air bubbles; wipe jar rims. Cover at once with metal lids, and screw on bands.
Process in boiling-water bath 10 minutes.