Question: Which come back every year? annuals or perennials
Answer: Perennials, we hope, survive over the winter from year to year.
Annuals may self seed and seem to come back each year, too, but technically the plant grows from seed, blooms, sets seed and dies all in one season.
Q&A Library Searching Tips
When singular and plural spellings differ, as in peony and peonies, try both.