Is the color of the grass changing due to the unpredictable weather?

The reason for the change in color of the grass is not the weather.

1. In the morning, the grass (? is green) because of the dandelions (the petals are closed?).

2. At noon, the grass (? is golden) because of the dandelions (the petals are open).

3. In the evening, the grass (?is green?) because of the dandelions (?the petals are closed?).

Segments:

Part 1: The grass is covered with dandelions. When the dandelions are in bloom, the grass turns golden. (Opening topic)

Part 2: Writing about dandelions has brought a lot of joy to "me" and my brother.

Part 3: "I" discovered the reason for the change in color of the grass.