In general, is there a difference in days-to-maturity for cherry or grape tomatoes versus the DTM's for larger toms?
Also is there a difference in DTM's for determinates vs. indeterminates?

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I cut and paste so I don't forget what I'm supposed to be posting about.

First, DTM's are sheer guesstimates and depend on where a variety is grown, where geographically, what the soil is like, amendments used, if so, how much and when, and what the weather is like in anyone season, etc.

In my experience there's no real dofference in DTM's, in general, for small fruited varieties as opposed to larger fruited varieties. And I've grown about 4,000 varieties to date, so am basing that on my own experience.

And again, no, IMO there is no difference in time to ripeness between Indet and det.

I find it much easier to go by something like this:

55 to 65 days, early varieties
65 to 80 days,mid season varieties
Over 80 days,late season varieties

Or a similar version based on a range of days to categorize relative ripeness, And I see more and more websites doing the same and dumping the DTM's.

Carolyn

Agree. There are early, mid, and late season varieties for cherry-types, determinate, and indeterminate types. DTM, for what it is worth, is determined by the genetics of the specific variety not by its type or fruit size.

Dave