It's finally here!

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Across
  1. 4. Cloud's locale
  2. 9. Ontario's official flower
  3. 11. Butterfly-to-be
  4. 16. / Series of tweets
  5. 18. / Fuzzy buzzer
  6. 19. / Wordsworth's flowers
  7. 21. / Wimbledon court surface
  8. 24. Perfect condition for sailing
  9. 25. / Characteristic of or occurring in spring
  10. 26. / Young amphibian
  11. 27. / Woolly ones
  12. 29. Young hopper
  13. 32. "In the spring, at the end of the day, you should smell like dirt." - Margaret ______
  14. 34. Academic interlude
  15. 35. / "If winter comes, can spring be far behind?" - Percy Bysshe _______
  16. 36. Easter find
  17. 37. Fragrant shrub
Down
  1. 1. / Growing season
  2. 2. / Sport played by blue birds
  3. 3. Plant shoot
  4. 5. Stable baby
  5. 6. / She has her own day in May
  6. 7. / Coop group
  7. 8. / Harbinger of spring
  8. 10. Roses? No, the blue ones
  9. 12. Rainy day results
  10. 13. Rainy day accessory
  11. 14. Backyard party, for short
  12. 15. It comes with strings attached
  13. 17. / Hatchling's home
  14. 20. / ___ Also Rises, The
  15. 22. Songbird, or Pooh's friend
  16. 23. / It's full of holes
  17. 28. Fertile spot
  18. 29. / Begin to flower
  19. 30. / Unopened flowers
  20. 31. Canoeing spots
  21. 33. It might be made for two