A rare 1900 Swiss miniature silver carriage clock that was once owned by one of the most significant female horticulturists, plant researchers and plant photographers of the 19th and early 20th centuries is to be offered at auction in September. Leighton Gillibrand, Head of Dreweatts Clocks, Barometers and Scientific Instruments department: "This exquisite little timepiece
She booby-trapped her prize plants and sabotaged the gardens of her rivals. Yet, says Kate Thompson, horticulture s original bad girl was tragically misunderstood