 She added the Shamrock Garden, the Sunken Garden, increased the size of the lake, added a Spanish Garden with a small hut, the Italian Garden, the Dodo Terrace, Menagerie, the Fountain Pool and laid out walks in the Lily Wood and rest of the estate.This dramatic change led to the gardens being proposed as a UNESCO World Heritage Site.She was a patron of the botanist and plant collector Frank Kingdon-Ward.