CNN  —  Catherine, Princess of Wales visited a wellbeing garden at Colchester Hospital on Wednesday, marking her first public appearance since she unexpectedly dropped out of an appearance at Royal Ascot two weeks ago. Kate visited the hospital garden in the southeast of England to “celebrate the incredible healing power of nature,” according to Kensington Palace. During the visit, the princess also met with patients and staff at the hospital’s Cancer Wellbeing Centre “to understand how gardens