[chickpeacurry]

Most the pumpkin leaves look healthy but on each of the plants one of the leaves look yellow.  Is this due to them not being warm enough in the ground.   

[vanessa.xx]

Sorry I can't help you but I'd be interested in an answer too as mine are the same 

[Handy Andi]

Mine too. And the gherkins too   

[mumofstig]

It's the shock of transplanting and it would certainly help if the weather settled down 
It is still, sometimes, getting quite cold at night which they don't like - It went down to 6C here last night