What's the plural form of parsley piert? Here's the word you're looking for.
Answer
The noun parsley piert can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be parsley piert.
However, in more specific contexts, the plural form can also be parsley pierts e.g. in reference to various types of parsley pierts
or a collection of parsley pierts.