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Tomatoes not Ripening

Can anyone out there help. I have been growing tomatoes for over 35 years and never experienced them being so slow to ripen.  Given the fabulous weather we've been having ripening didn't ought to be a problem. I have just read an article about this problem in the letters of a newspaper. The theory is that the seeds come as far away as New Zealand and California, which are affected by time and seasonal differences. the other thought is that they are freeze dried and packed in foil sachets which are packed and refrigerated far too soon before they have had time to mature.

Has anyone else any thoughts on this, I would be pleased to hear. Thanks


  • BobTheGardenerBobTheGardener Leicestershire, UKPosts: 11,368

    I'd need a lot of convincing that any of those things can have any impact on ripening.  I started mine late this year (sown on Good Friday) and they are ripening just fine.  I have 10 varieties including 'heritage' Italian, so the seeds are likely to have come from all over the world.

    What is different this year is the compost which has been available.  Most of the common suppliers are using new formulas because of the upcoming restriction on using peat as a base.  Luckily, the one I use hasn't changed yet.  Are you using commercial compost and if so does it appear any different this year to previous years?  Are you growing more than one variety so we can eliminate a bad batch of seeds?  I feel sure this can only be a cultural matter.

    PS, once the temperature goes above about 27C, this will slow down growth just as low temperatures will, so the recent hot weather may not actually be helping!

    A trowel in the hand is worth a thousand lost under a bush.
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