Section 5551 Of Article 1. General Provisions From California Food And Agricultural Code >> Division 4. >> Part 1. >> Chapter 7. >> Article 1.

. Any neglected or abandoned plant or crop is a public nuisance in any of the following circumstances:
  (a) It is a menace to the agriculture of the county, district, or vicinity because of the existence of any pest, in or on it.
  (b) It is a menace to the agriculture of the county, district, or vicinity because of the existence of any other condition than the condition described in subdivision (a).
  (c) It is a host plant of, or provides a favorable or likely harbor for, any pest.