Bring the first five ingredients to a full rolling boil in a Dutch oven. Boil for 1 minute, stirring constantly. Add sugar to peach mixture and bring to a full rolling boil. Boil for 1 minute, stirring constantly. Remove from heat and skim off foam with a metal spoon.
Immediately pour hot mixture into hot sterilized jars, filling the jars 3/4 full. Remove air bubbles and clean jar rims. Cover at once with metal lids and screw-on bands.
Process jam in a boiling water bath for 10 minutes.