The Welsh Spring Crossword

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Across
  1. 4. Legendary creature created by two wizards out of flowers
  2. 6. Newborn lamb, or little lamb (3,4).
  3. 9. The first May rain (4,3,3)
  4. 11. Light April rain conducive to growth (4,4)
  5. 12. Traditionally used to mean blue or green
  6. 13. The hungry gap - late winter early sprng
Down
  1. 1. Flowers, or blossom.
  2. 2. Butterfly (4,4) .
  3. 3. Cuckoo.
  4. 5. Easter
  5. 7. Rainbow
  6. 8. Literally knocker of the wood - or woodpecker! (6,1,3)
  7. 10. Swallow.