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Bad toms

Worcester, United Kingdom Gb

The first of my tomatoes in the greenhouse are giving me a worry ! One was beginning to ripen and has a black bottom end. Two other green ones are showing signs of the same,can someone please tell me the cause and what I should do to prevent losing the lot ? I have eight plants.I took off all the bottom leaves early on, and have fed them well.



This sounds like Blossom end rot. This is caused by a shortage of calcium. Difficult to treat as you need to do this before the plants are planted. Are they in the soil, plant pots or Growing bags?

18 Jul, 2008


It can also be the result of erratic watering.

18 Jul, 2008


They are in very large flower tubs. I mixed some well rotted horse manure and also some bonemeal into the compost (which came from the garden centre.) I thought the bought stuff would not be good enough to feed them for the time it would take for them to produce toms. Thanks for your help though. Could I mix into the top of the soil some crushed and microwaved egg shells ? (I think that must be calcium)
I have kept them well watered on a daily basis.

18 Jul, 2008


Are you feeding you Toms with Tomato feed? That may well help. As Spritz says, it could be watering, it could also be the odd weather we are having. The only way to combat calcium deiciency in growing plants is to spray the fruits with a mild solution of calcium, but that is really only an option for professional growers.
Next season, if you are going to make your own growing medium like that, add a little lime to it as well, though the bonemeal should have helped. It contains calcium.

18 Jul, 2008


Thankyou for your help.Luckilly I have other tom plants outdoors that seem to be thriving,so we shall be able to have some pleasure from my own home grown stuff.

20 Jul, 2008

How do I say thanks?

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