BLUE things

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Across
  1. 2. "What in blue ______?!"
  2. 4. Meaning "once in a while"
  3. 5. What blue represents at a baby shower
  4. 8. The official state flower of Texas
  5. 9. The feeling we call "blue"
Down
  1. 1. Rivals of the GOP
  2. 3. It's blue on a sunny day
  3. 6. About 71% of the Earth's surface
  4. 7. On your skin, this injury is actually black-and-blue