Green Thumbs Up!

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Across
  1. 6. A shoot that grows from a seed or bud.
  2. 12. A prolonged period of abnormally low rainfall.
  3. 14. The cultivation of trees and shrubs.
  4. 17. A reproductive cell, as in ferns or fungi.
  5. 19. The breeding of specimens of a plant or animal.
  6. 21. Process by which plants convert light energy into chemical energy.
  7. 24. A horticultural technique where parts of two plants are joined.
  8. 27. Grown for aesthetic pleasure rather than for use.
  9. 28. Part of the pistil that contains ovules and develops into the fruit.
  10. 29. The female reproductive part of a flower.
  11. 31. Fine-grained soil that retains water.
  12. 32. A plant that lives for more than two years.
  13. 35. The male reproductive part of a flower.
  14. 37. Receptive tip of a carpel, receiving pollen.
  15. 39. Relating to growth or nutrition, as opposed to sexual reproduction.
  16. 40. A flower or mass of flowers, especially on a tree or bush.
  17. 45. Measure of soil acidity or alkalinity.
  18. 46. An unhealthy condition of a plant.
  19. 48. To care for and encourage the growth or development of.
  20. 50. A shoot arising from the base of a plant or from its roots.
  21. 52. Supply of water to land or crops to aid growth.
  22. 53. The preparation of land for growing crops.
  23. 54. Producing fruit.
  24. 56. A horizontal underground stem.
  25. 59. Transfer of pollen from an anther to a stigma.
Down
  1. 1. A root system consisting of many small, branched roots.
  2. 2. A plant or plant part onto which another plant is grafted.
  3. 3. A plant whose leaves, flowers, or seeds are used for flavoring, food, medicine, or perfume.
  4. 4. Plant leaves, collectively.
  5. 5. A compact knob-like growth on a plant that develops into a leaf, flower, or shoot.
  6. 7. The act of trimming or cutting back a plant.
  7. 8. Fine granular material, larger than clay but smaller than sand.
  8. 9. Any undesirable plant growing in a garden or field.
  9. 10. A main root that grows straight down and gives off smaller lateral roots.
  10. 11. A young plant, especially one raised from seed.
  11. 13. The art or practice of garden cultivation and management.
  12. 15. An individual grown from a single somatic cell of its parent.
  13. 16. Leaf-like structure that encloses the bud of a flower.
  14. 18. A plant that completes its life cycle in one growing season.
  15. 19. Modified leaf that forms part of a flower.
  16. 20. Not consisting of or derived from living matter.
  17. 22. Pores on the leaf surface for gas exchange.
  18. 23. Ideal soil type for most plants, a mix of sand, silt, and clay.
  19. 25. The ability of a plant to withstand a disease or pest.
  20. 26. Process by which a seed sprouts and begins to grow.
  21. 30. A swollen underground stem, e.g., potato.
  22. 33. Fusion of male and female gametes to form a zygote.
  23. 34. Reproductive structure of conifers.
  24. 36. A woody perennial plant, typically with a single stem or trunk.
  25. 38. Part of a stamen containing pollen.
  26. 41. A plant that completes its life cycle in two growing seasons.
  27. 42. Coarse-grained soil that drains quickly.
  28. 43. Grown without synthetic pesticides or fertilizers.
  29. 44. A rounded underground storage organ of a plant, e.g., onion.
  30. 45. An insect or other animal that attacks or damages crops.
  31. 47. Fit or suitable to be eaten.
  32. 49. A woody plant smaller than a tree, often with multiple stems.
  33. 51. Green pigment in plants that absorbs sunlight.
  34. 55. The scientific study of plants.
  35. 57. A plant whose stem requires support and climbs by tendrils or twining.
  36. 58. Decomposed organic material used as a fertilizer.