Hans Jacob Ehler designed the grounds in the 1840s, creating "outdoor rooms," each intended to evoke emotional reactions.
The garden architect Russell Page designed the grounds, but the realisation of his project, including the choice of plants, was down to Susana.
Mr. Hood, whose landscape architecture firm designed the grounds of the de Young Museum in San Francisco, lives in Oakland, and he spends a lot of time traveling.
Her mother, Jacqueline Harper, had been born in America and brought up in France, in a château with gardens by Le Nôtre, who also designed the grounds of Versailles.
Mr. Olin designed the grounds of the J. Paul Getty Center in Los Angeles and Vila Olimpica, a mixed-use development in Barcelona.
"It's the most ideal place to be quiet, private," said Sandra Kilminster, the longtime gardener who designed the grounds with the Harveys and was out working with a wheelbarrow and clippers one recent summer day.
In the early 18th century Queen Anne's gardener, Henry Wise, designed the grounds of the palace in the formal style of André Le Nôtre's famed gardens for Vaux-le-Vicomte and Versailles in France.
William F. Wayman designed the structure with Victor Batchelar building the home, while Charles F. Walters designed the grounds.
Mr. Frothingham named the 300-acre estate Dogwood and hired Ferrucio Vitale, a landscape architect, to design the grounds.
Ostensibly, his purpose was to design the grounds surrounding the local millionaire mayor's mansion, now long gone.
