After Olley's death, the Art Gallery of New South Wales used funds donated by its Collection Circle to purchase Nasturtiums, a painting by E. Phillips Fox as a memorial to her.
After seven essentially comedic variations, the eighth involves Trotsky seeing Mercader out of the house in a civil manner, with Ramon—having posed as a gardener—revealing that he actually did perform some gardening on Trotsky's property and requesting that Trotsky go outside to admire his nasturtiums.