I think it's probably just the heat Eli, a couple of my tomato plants have been doing this as well but I've noticed that after I've watered them in the evening they start to look a bit better when it cools down a little.
This is one of mine Eli before & after watering, I tend to water late in the evening especially when the weather's hot because if you water them in the morning the water can evaporate quickly in the heat before the plants get the benefit.
The second photo of mine was taken a couple of hours after watering but I do think it will be the heat especially as it's just the tops of the plants, I keep thinking I should have put some shading up the greenhouse but by the time I get around to it the cloud & rain will be back! I had to rescue 2 large peacock butterflies & small white from in there yesterday as they were battering themselves against the windows trying to find the way out, they'd fry if they stayed in there!
Thank you roofgardener, I think maybe one of them is in too small a pot after all, and the other one shares a big tub with another tomato plant. I may try to repot the one on its own if I can. It is quite tall now.
I wouldn't worry if it's just a few leaves at the top of the plants if the leaves are still green & soft it probably is just heat/watering especially if they perk up an hour or so after watering but if they go 'crispy' or develop blotchy brown patches it could be something else. You can get curling leaves from weedkiller contamination if it drifts from someone spraying nearby ( it wouldn't be that though in your polytunnel) or sometimes it's already in compost that's been made from recycled waste material & if the leaves start to go spotty brown/black it can be blight which is pretty nasty but you can keep pulling off any affected leaves & to hold it at bay for a while.
vrgardens: Generally getting the back garden ready for winter. Lots to cut away and tidy up.
Oct 26, 2016 11:13:19 GMT
Geumlover: Autumn is the time to build the compost heap, or at least that's what the old books say.
Oct 29, 2016 19:56:34 GMT
robh: hi ian how are things your end yes if you have sonia id like when are you digging your tubers up this year
Nov 14, 2016 15:47:08 GMT
roofgardener: Good Luck to all Garden Friends as Storm Doris descends on us. Batten down the hatches, and keep safe everybody.
Feb 23, 2017 8:12:38 GMT
grindle: hope you don't get any flying greenhouses up there roofie
Feb 23, 2017 8:31:26 GMT
Rosie: I was thinking that too Grindle. We have snow...
Feb 23, 2017 10:28:34 GMT
supersid: could any one tell me what i am doing wrong with my hibiscus lisa bonita the leaves were nice shiney green now they are going white
Jun 2, 2017 15:11:37 GMT
Louise: Is anybody out there
Aug 5, 2018 6:34:42 GMT
gail: Oh well my books calling me for half the night
Sept 6, 2018 17:58:08 GMT
thecrackedpotgardener: this is the voice of the thecrackedpotgardener your are not alone i am watching you all mwhahahahahahahahaha
Sept 28, 2018 17:25:34 GMT
joysie21: Do anyone buy the gardeners world magazine as I want to enter competitions I have the gardeners answer magazine which is free with lloyds club account
Nov 5, 2018 9:19:29 GMT
libralady: Hello Bess, I have resurrected your post about using elderflowers. I will try the fizz but could you please send your recipes for the cordial and syrup. Thanks and regards.
Nov 21, 2018 18:03:23 GMT
joysie21: i get the garden answer mag every month with free flower seeds which i dont need do anyone want them fo swaps
May 30, 2019 20:20:20 GMT
gail: Hello everyone...Wendy, Joan, Corinne. Please let me know if you can see me now.
Aug 10, 2019 9:01:47 GMT
heikki: Hello Wendy and all group,I hope you find now
Aug 13, 2019 19:18:08 GMT