1- In Pagan times parsley was considered to have mystic powers. Like all herbs, it was used very specifically in teas and flavourings to achieve certain results. We still, at some level of awareness, hold this knowledge, so when parsley- appears in a dream we arc linking with this information.
2- One of the qualities of parsley is as a cleanser, or purifier, and il is as this that it may appear in dreams. We are aware that we need to get rid of something which is contaminating us.
3- Parslev is a symbol for the Feminine Principle and occult awareness.... Ten Thousand Dream Dictionary