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- 16-05-2008, 08:37 AM #1
Lowest tolerated temperature for outdoor tomatoes
Dare I plant out my outdoor tomatoes this weekend? I'm way out of space, some of the toms are over 2 foot tall and flowering like mad. However, my 5 day forecast has Tuesday down to 3 degrees.
Can I risk it / would they survive?Cheers
- 16-05-2008, 08:42 AM #2Cropper
- Join Date
- Apr 2007
- South East London
- Blog Entries
That is very cold for tomatoes.
Normally, the books will tell you ten degrees but a dip below this for a limited time shouldn't be a big problem. Once you get below five degrees and into frost territory it's a lot riskier.
Do you have something with which you can protect them or can you construct a temporary shelter?
If not, I would err on the side of caution.
- 16-05-2008, 09:19 AM #3
I've got shed-loads of envirofleece and maybe some big plastic crates / a couple of enpty bins etc. Would that just keep the cold off enough do you think?Cheers
- 16-05-2008, 09:25 AM #4Cropper
- Join Date
- Mar 2007
- Stafforshire Moorlands .. brr!
I found my tomatoes survived in my greenhouse with an in house temperature of 3C - but with a heater under the bench which the tomatoes sat on.
Outside I would wrap up well with fleece.
I have no intention of planting tomatoes/melons/ dahlias etc outside till late May.. We have a similar 3C forecast for 2 nights. As we are exposed, we could see a faint ground frost...
Last edited by Madasafish; 16-05-2008 at 09:25 AM.
- 16-05-2008, 09:29 AM #5
Not worth the risk in my mind...how would you feel if you lost them and had to start over again???
- 16-05-2008, 09:34 AM #6Banned
- Join Date
- May 2008
- Dartford, Kent
When did you sow your toms? mine are not even 3 inches......... I'm a bit of a novice, did i sow them too late?
- 16-05-2008, 10:05 AM #7
Good point Nicos, I'd be gutted if I lost them but things are started to bulge at the seams in the greenhouse!
Garygc2008 - I sowed my tomatoes throughout February but I could only really do that because I have heated propagators and a heated bench to grow them on even when the unheated greenhouse was below zero.
Don't worry, lots of people don't sow until April. That's how they avoid the pickle I'm in - plants too far advanced for the conditions!Cheers
- 16-05-2008, 10:23 AM #8
If you're growing Subarctic Plenty, chuck 'em outside. They'll grow and produce fruit which will ripen in temps of only 3 degrees c! The CIA does have it's useshttp://norm-foodforthought.blogspot.com/
If it ain't broke, don't fix it and if you ain't going to eat it, don't kill it
- 16-05-2008, 10:28 AM #9
Just a thought...is there anything else you are growing which could be left outside under fleece???
- 16-05-2008, 11:43 AM #10
Thanks Norm, I've got a Sub Arctic so that'll go out on Saturday
nicos, the green house is stuffed with peppers, chillis, all sorts of squashes, toms and aubergines. I reckon the tomatoes are about the most hardy, although I not sure about some of the squashes. Perhaps I'll just have to shut my eyes and pretend that we're not all shoe-horned in together and try to leave it for another week.
Unless, anyone can tell me that the squash will be ok under fleece. They are second largest culprite for taking up tonnes of space.Cheers
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