Olive, hmm, they're in potting soil with some compost added, so that shouldn't be a problem (in special tomato pots). I'll remember that next time I grow them in the ground.

I'm a bit peeved actually cos my Dad is growing the other plants out of the same punnet, he used non-organic fertiliser and all sorts of whackodoo pest products on his and they are coming along magnficently. My all-organic ones are a bum-steer