We have various temporary signage solutions that you can try. FloorBoss XL Free-Standing Sign folds flat for easy storage when not in use. This plastic stand has two sign panels with a “Keep Off Field” message for both sides. ConeBoss Keep Off Grass Sign fits onto the top of any traffic or safety cone. Even this sign can be temporarily placed until the grass is wet. These two signs are lightweight but if you’re looking for a heavy sign assembly, try our keep off grass sign and post kit with iron sign base, LawnBoss Signs (with 3 feet stake), and GardenBoss Statement Plaque with stake.