しろ花虫 かちゅう じょ きくであれば
shiro kachūjokikudeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 白花虫除菊

1. If it were a whiteflowered chrysanthermum to repel insects.; If whiteflowered chrysanthemums repel insects.

Ba Conditional