Tesco, Asda, Morrisons and Sainsbury's also offer 'living' herb plant pots that you can purchase for as little as £1. The life expectancy of a living plant pot is marked at 2+ days - but most home cooks will know that keeping them alive for longer than a week or two is rather optimistic.However, on Twitter, green-thumbed social media users are revealing pictures of their cheap, supermarket herb plant transformations - and some are ridiculously impressive.
Congratulating his herb plant, @oliverwearing tweeted: "Happy one year anniversary to the 60p Morrisons basil my flatmate innocently bought when we moved in. "To anyone who has ever killed a supermarket herb plant: I'm afraid yours died so that our basil overlord could reign.
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