What Causes the ‘Bloom’ of a Flower?

A flower ‘blooms’ when it opens up to show its pretty colors. This happens because the plant gets a signal, like a message that says, 'It’s time to attract bees and butterflies!' These messages can come from changes in light or temperature, just like how you might feel sleepy at night after playing all day.

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Examples

  1. A daisy opens its petals on a sunny morning after a night of cool air.
  2. You notice your tulips start blooming when the sun stays out longer each day.
  3. A flower starts to show color as soon as the last frost passes.

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