Princess Anne and Prince Charles.Photo: PA Images / Alamy Stock Photo

Prince Charlesfound his green thumb at a young age.
The royal, 72, recently reflected on his childhood at Buckingham Palace while appearing on the BBC radio showThe Poet Laureate Has Gone to His Shed.
“My sister and I had a little vegetable patch in the back of some border somewhere,” he told host Simon Armitage of bonding withPrincess Anne. “We had great fun trying to grow tomatoes rather unsuccessfully and things like that.”
“He was splendid and he helped us a bit, my sister and I with the little garden we had,“Prince Charlesrecalled.
Prince Charlesand Princess Anne were born less than two years apart.Prince Andrewwas born nearly 10 years after Anne, andPrince Edwardarrived four years after that.
Prince Charles and Princess Anne.Indigo/Getty

That love for gardening only grew withPrince Charles, who has been an environmental advocate for decades and isturning the Queen’s Sandringham Estate into a “fully organic operation.”
“There’s nothing to beat is there, I think, [than] eating what you have grown?” he said on the radio show. “This is another reason why I always feel it is so important to find ways of encouraging children to grow vegetables and things at school.”
Princess Anne, Queen Elizabeth and Prince Charles.Lisa Sheridan/Studio Lisa/Getty

Can’t get enough ofPEOPLE’s Royals coverage?Sign up for our free Royals newsletterto get the latest updates onKate Middleton,Meghan Markleand more!
Prince Charleshas been an environmental advocate for decades, recentlysupporting a new charter for the environment, which he called the Terra Carta, which aims to ensure big businesses are including green initiatives in their future plans.
In an introductory essay to his charter, the royal grandfather said we are at a “historic tipping point” in the lives and livelihoods of current and future generations” and today “must be the decisive moment that we make sustainability the growth story of our time while positioning nature as the engine of our economy.”
source: people.com