[2] The Rolle Canal (completed in 1827) terminated at a complex of large lime kilns at Rosemoor (known then as "Rowe's Moor").

The lime kiln complex, designed by James Green, survives in a ruinous condition in a working compound at the gardens, inaccessible to the public.

[4] On the death in 1931 of Robert Horace Walpole, the fifth Earl of Orford, the estate became the property of his daughter, Lady Anne Berry (then Palmer).

The garden developed in a naturalistic style, with sweeping lawns and curving borders set out as the plantings expanded.

There was no masterplan, but designer John Codrington who later became a life member of the Royal Horticultural Society (RHS), provided drawings, in particular for the early development of warmer sheltered areas near the house.