Related Clues:

• Lubricant
• Trail mix bit
• Shale extract
• Rembrandt medium
• Burpee product
• Garden starter
• Nursery buy
• Squeak stopper
• Gusher output
• Gardener's spring purchase
• Olive, for one
• It's often crude
• Nutmeg, e.g.
• Gardener's bagful
• Spill material