It’s very nearly spring, it officially starts this weekend.

And many people will be be looking to buy new plants to liven up their homes and gardens. Swan plants are perfect for attracting monarch butterflies, but what if the one you buy has been sprayed with pesticides?

That’s a concern Butterfly Lady Jacqui Knight has heard many times, and so the trust she works for has created the “approved by butterflies” tick for garden centres. She explains what it’s all about.