Add strawberry tops, water, and sugar to a large pot
Simmer for 30 minutes
Strain with a strainer or cheesecloth. Discard strawberry tops.
Ladle the syrup into warm jars, leaving 1/2 inch headspace
Clean the rims. Add lids and rings
Process in a water bath for 10 minutes. Ensure that water is boiling and reaches at least 2 inches above the lids of the jars
Remove from the canner and allow to cool on a towel on the counter for 24 hours
After 24 hours, check the seal by ensuring that the middle of the lid does not move when gently pressed.