Greenery

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Across
  1. 5. Winged seed, sometimes nicknamed whirligig.
  2. 9. PA native & state flower.
  3. 10. Technical term for plants turning towards the sun.
  4. 11. Plants that return annually.
Down
  1. 1. Largest farming county in PA.
  2. 2. PA state tree.
  3. 3. Largest living tree.
  4. 4. Root type of a dandelion.
  5. 6. Campus doubles as this type of specialized garden.
  6. 7. Cone-bearing trees.
  7. 8. Leaf of a fern.