Miracle-Gro All Purpose Concentrated Liquid Plant Food 1 litre contains a unique and carefully balanced mix of 9 essential nutrients required for optimum plant growth and flowering. It’s suitable for both indoor and outdoor plants and perfect for pots, containers, hanging baskets, beds and borders. Simply mix with water as per dosage instructions on pack and apply directly to soil with a watering can. Feed every 1-2 weeks from early spring to late summer.