Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to plant bulbs in pots [title] Choose a pot with drainage holes. [step] Drainage holes are necessary to let any excess water out of the pot. If you water the bulbs and the excess water doesn't have anywhere to go, your plants could drown.

Ending1: Drainage holes are small holes in the pot that allows water to exit. [substeps] Level the drainage holes and make sure they're deep enough for your growing variety to grow. Ending2: You may even be able to fill the pot halfway with soil, so that the plant has easier access to water. [title] Keep the bottom of the pot free of soil. Ending3: When selecting a pot, consider the location: if your bulbs are new, place them in a plastic or tin planter, and water them well afterward. If they're old, wait until there is plenty of room in the planter for them to grow. Ending4: [title] Make sure the pot is big enough to insulate the bulbs. [step] If you're planning on leaving your pot outside during the winter, you'll need to add enough soil to keep the bulbs warm.

Answer format: ending1/ending2/ending3/ending4