Why are some trees' branches cut back to a stump? Plus, how the 2019 Philadelphia Flower Show is going back to the 1960s.
On this episode of You Bet Your Garden, Mike tells us why a "technique" called pollarding was a great idea in 1 AD, but a terrible idea for the present. Plus, we learn how the fabulous 2019 Philadelphia Flower Show is planning a tribute to Flower Power on the 50th anniversary of Woodstock. As always, Mike takes your questions.