Harry Potter TV producers use Redruth grower’s giant cabbages

Mitchell said: “Two of the [production] sculptors are actually based in Cornwall and they wanted to come over and get a few leaves first of all to give them a test mould.

“Then the next day they confirmed it all worked and said ‘yeah, we’ll have the cabbages’.”

Mitchell said he grew up with the Harry Potter movies so he was “definitely a HP fan”.

He added: “They have been back in contact about getting some pumpkins.

“I don’t grow pumpkins myself… but I’ve got a few friends in the giant veg world who I’ve managed to get hold of, and I think they’re now working with them as well.”

He added he thought the cabbages might be visible in the second season of the show.

“We might be another year or so waiting,” he said.

“I’m just wondering if I’ll get a credit as ‘cabbage advisor’.”