Possible Clues:

• Did garden work
• Removed invasive, unwanted plants
• Dug up dandelions, say
• Did some gardening
• Tidied the garden
• Did a garden chore
• Used a hoe
• Removed unwanted growths from garden
• Got involved in the plot and ousted the Scarlet Pimpernel, for example
• Taken out what's not needed at the start when they're small