For a woman who looked like the heaviest thing she ever picked up was a partridge fork, Queen Elizabeth really knew her way around a shovel, planting more than 1,500 trees in her lifetime.

Kate—dressed in a striped tan blazer, coordinating striped Ralph Lauren button-up and brown trousers with Veja sneakers—also got to work in the hospital's RHS Wellbeing Garden despite the rain, planting some very personal flowers in the process.