Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to grow elderberries [title] Prepare the soil. [step] The best soil for elderberries is free-draining and fertile. [substeps] Add compost and work through the soil.

Ending1: The compost will help strengthen the roots and prevent the plants from dying. Soil surrounding the plant becomes the root of the plant. Ending2: Till to a depth of 4 to 5 feet (1.8 to 2.4 m). Remove, if necessary, topsoil compost. Ending3: Ensure good drainage; elderberry doesn't like waterlogged soil. [title] Propagate an elderberry in the early spring. Ending4: Plant around 60 berries in the compost mix three to four weeks before your due date. Before planting the elderberries, you should mulch.

Answer format: ending1/ending2/ending3/ending4