All about roots

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Across
  1. 2. Outermost tip
  2. 5. leafy green or purple biennial plant, grown as an annual vegetable crop for its dense-leaved heads
  3. 6. oblong leaves that have a red petiole
  4. 8. Typical (usually green) colour and the turgid leaves.
  5. 9. elongated downward
  6. 14. Susceptible to cold damage
  7. 15. Saturated soil do not grow well and may die in dense soil layers
  8. 16. thin, moderately branching roots growing from the stem
  9. 19. Thick Arm
Down
  1. 1. bug, butterfly, or caterpillar eats, lives on,lays its eggs on
  2. 3. Plant that grows where it's not wanted
  3. 4. roots that arise from the nodes or internodes in plants having weak stems
  4. 7. Plants that can cause bodily harm to humans and animal fresh app
  5. 8. Ceases to elongate
  6. 10. Grow from the basal node at the main stem
  7. 11. located closer to the soil surface, and forms a dense network
  8. 12. herbaceous flowering plant that completes its life cycle in two growing seasons
  9. 13. root can be orange, white, yellow, red or purple
  10. 17. Lives 1 to 2 days
  11. 18. tall plant that can live for a long time