Related Clues:

• Neaten the garden, perhaps
• Went to get some grass
• A gardener pulls it up
• Pot?
• Dispensary supply
• Gardener's growing pest
• Plant pot leaked
• Unwanted plant, very small, died
• Dope or whizz getting poor grade
• Feeble character in Little Dorrit's opening
• 'Whacker' target
• Made water from useless plant?
• Quack grass or crabgrass
• Plant to destroy
• It's legal in California ... and the name of a city in Northern California