Crossword Puzzle for Gardeners

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Across
  1. 7. A plant that lives year after year
  2. 8. Plants that spread aggressively and are difficult to eradicate
  3. 9. Fertile, well-drained soil
  4. 10. A small trench made in the soil for planting seeds
Down
  1. 1. A plant cultivar resulting from the intentional cross-pollination of two closely related species or varieties
  2. 2. A plant that lives for only a single growing season
  3. 3. Organic fertilizer made from the excrement of seabirds and bats
  4. 4. The tiniest particles found in soil
  5. 5. Plants that lose their foliage during the winter months
  6. 6. Essential nutrient responsible for green vegetative growth in plants (abbreviated N on fertilizer products)
  7. 7. A common ingredient in potting soil; this spongy material has exceptional water holding capacity and is also used lower the pH of soils for acid-loving plants