Changing of the Seasons

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Across
  1. 5. Horse Chestnut seed
  2. 7. Goes off with a bang
  3. 8. They change colour in autumn
Down
  1. 1. Often found in patches
  2. 2. Ghostly happenings occur tonight
  3. 3. To gather, to reap
  4. 4. Squirrel's delight
  5. 6. Sweet fruit drink