Princess Diana's new ''White Garden'' at Kensington Palace

As the Royal Family marks the 20 year annniversary since Princess Diana's death, they have now opened a temporary all-white garden at Kensington Palace—where the late royal called her home in London for many years. 

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The garden will remain open and free to the public from now until September to commemorate the 20th anniversary of her death on August 31.

But there's a special meaning behind the special garden, with the name "The White Garden" in memory of her style and her image, such as her white "Elvis" Catherine Walker dress.

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Kensington Palace's head gardener, Sean Harkin has revealed the stories previous gardeners have told him about Diana's green thumb.

"Kensington Palace was the home of Princess Diana for 15 years and there's gardeners who aren't here anymore but remember, and told me stories, about when they were working here in the Sunken Garden," he said. "They remember Princess Diana coming by and she would stop and she would admire the changing floral displays in the garden. We change them over in springtime and in summer, so it can look quite different. And she would stop, and she would have a chat with the gardeners and comment on all their hard work."

Harkin recalled one funny story in particular.

"I remember there was another gardener who told me a story about when he was walking along with a wheelbarrow with a fellow gardener. It's really embarrassing, but he tripped. He kind of fell over. It was over-weighted, the wheelbarrow, so everything kind of spilt everywhere. Princess Diana was going by and turned around and said, 'Bad luck, chaps', and kind of gave a smile," he said.  "And they kind of smiled and found it really quite funny, but also it's quite embarrassing when that happens."