Toby explains how plants and trees set up natural defences and outlines what we can do to help

Amazing answers to your curious questions

YOUR QUESTIONS

They might not be especially striking to look at–if you can see them at all–but seeds are among the natural world’s most awe-inspiring marvels, says John Lewis-Stempel

Why were some of our sunflower heads deformed? ...

The garden has given me much joy this year, though it’s not been without its challenges! Especially the weather, with so little rain for long periods. But those two months of drought made little impac