Fiddle & Ficus Plant FoodOrganically certified. We cracked the code on caring for your Fiddles and Ficus. Simply shake on the soil and water in, or mixing in the watering can before each watering. This is an easy way to add $20 to the average order by suggesting at checkout with a plant purchase. Its small size allows it to be sprinkled throughout the store. One shaker makes over 8 gallons of liquid plant food.