In article ,
(Jupiter) wrote:

I did compost last
year's vines which inevitably included small unripe tomatoes. I think
they can only have somehow come from last year's planting, so will
seeds from unripe tomatoes survive composting

A caution: These volunteers might harbour blight. Extract from
http://www.rhs.org.uk/advice/profile...ato_blight.asp

"The fungus can be seed borne, so do not save seed from infected fruit.
Destroy infected plants - do not compost them."

Steve Harris - Cheltenham - Real address steve AT netservs DOT com
A useful bit of gardening software at http://www.netservs.com/garden/