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The surprising origin of sprouts, the vegetable we either love or hate

14 December 2022

Sprouts, cauliflower, cabbage and a dozen other vegetables are all the same species, Brassica oleracea. Now we have finally discovered their common ancestor

The secret power of the tequila plant that could help feed the world

15 July 2020

Agave uses a turbocharged version of photosynthesis that works in even the driest spots. As climate change threatens our food supply, the race is on to harness its power in more resilient crops

Frankincense is a holiday favourite, but its future is under threat

18 December 2019

It has been a prized commodity for millennia – but a cocktail of conflict, poverty and burgeoning demand is putting frankincense under pressure

The fake burger test: Could meat made of plants ever fool you?

2 May 2018

If you like meat, but don’t want a side of animal cruelty and environmental destruction, there’s something new on the menu – and it tastes surprisingly good

Growing skills: Top tips for producing the best veg in town

28 February 2018

Tomato suckers aren't all bad, Frankenstein squash probably won't take over and there are betters ways to protect your prized veg than planting companion species

Growing skills: A scientific guide to greener fingers

28 February 2018

From lining your pots with gravel to staking your trees, gardening tips are a dime a dozen. But which are gospel and which can safely be buried?

4 ways your eco-friendly plot is no good – and how to fix it

28 February 2018

Plants that are meant to give your garden an ecological boost can back-fire, but if you're savvy your plot can still be a haven for wildlife

Growing skills: How to get the prettiest flowers on the block

28 February 2018

Find out what the Chelsea chop is and whether it works, how to turn your hydrangeas blue and whether you should you tie up your daffodils for the best display next year