Flowers and plants

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Across
  1. 5. and burdock
  2. 6. Their seeds are rich in oil and often used in cooking
  3. 7. national Flower of Wales
  4. 8. Latin name Prunus armeniaca
  5. 11. shortened to "mums"
  6. 12. A prickly customer
  7. 13. More valuable than gold in 17th Century Holland
  8. 14. The Lady of the house?
Down
  1. 1. commonly called Snap Dragons
  2. 2. The Sound of Music?
  3. 3. Sometimes called the cranebill
  4. 4. World famous collection at Exbury
  5. 6. Winter flower?
  6. 9. Gardeners' World Plant of the last 50 years
  7. 10. this veg is actually a flower