Floods you with fascinating facts: Trees A Crowd reviewed

Listening to Trees A Crowd, a podcast exploring the ‘56(ish) native trees of the British Isles’, solved one of childhood’s great mysteries for me. Why, when you plant a pip from one type of apple, does it grow into a completely different type of apple tree? The answer — one kind of apple tree will typically cross-pollinate with another variety to pass on a different set of genes — is less interesting than the next bit. Which is that if you do plant, say, a Braeburn seed, and it takes, you’re likely to end up with crab apples. The reason, as explained on the podcast, is that the wild crab