@honeyx4 I'm thinking you meant to say Autumn Sage when you said August Sage.
If the salvia coccinea varieties reseed, I'm happy to get extra plants, but I don't (intentionally) grow plants from seed.
Hopefully, some other who grow plants from seeds, will chime in to help you out. Two members that I can think of that grow salvias from seed are......
@Gerris2 and
@FBTS could you offer some info and tips to help out Honey?