Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to take care of irises when their flowers die [title] Understand what deadheading is. [step] Deadheading is when you remove dead flower heads from a plant. This process stops seeds from growing once the flowers have faded.

Ending1: Producing seeds takes up a plants energy that could otherwise be put towards producing new growth. [substeps] Deadheading also help to tidy up your garden and get rid of withered, faded flower petals. Ending2: Therefore, deadheading your irises is important because you can remove your irises from their plants, even if it means only collecting once a month. [substeps] You can use a dehumidifier, work the flowers at night, and then you can blow off dead heads. Ending3: The flower heads scatter and die off from the death of the plant. [substeps] Deadheading flowers with weeds can be considered deadheading, as this is when you remove dead flowers from their stems and leaves and make sure they die off at the same time the flowers die and grow fresh flowers. Ending4: This process means you can tend to spent and undamaged flowers before the flowers are fully established in the ground. In general, deadheading means that if the plant dies or fails to mature in several seasons, the plant will go into dormancy.

Answer format: ending1/ending2/ending3/ending4