San Marzano is a paste tomato that grows on very large plants. Will need to be supported by stakes or cage. Does best in full sun.  80 days to maturity.  Fruit is sweet and non-acidic, prized for sauces as it has few seeds. Indeterminate.
 
Start seed indoors 6 to 8 weeks before last frost.  Will germinate in 1 to 2 weeks with consistent moisture and soil temperatures of 75 to 90 degrees.