What's the plural form of farewell-to-spring? Here's the word you're looking for.
Answer
The noun farewell-to-spring can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be farewell-to-spring.
However, in more specific contexts, the plural form can also be farewell-to-springs e.g. in reference to various types of farewell-to-springs
or a collection of farewell-to-springs.
Examples
But in summer, spent flowers on annuals such as California poppy, jewelflower, farewell-to-spring, and Nigella hispanica set and drop their seeds.
These plants bloom in late spring, hence the pretty name, farewell-to-spring.