Below you can find the The gardener's companion says if you see these structures your spider mite infestation is serious Jeopardy Words Answer. The answer to The gardener's companion says if you see these structures your spider mite infestation is serious has 4 letters. This clue belongs to the Plant pests category and is part of Jeopardy Word Level 1834. If you scroll near the bottom you will find other clues and answers part of level 1834