Question: Are California poppies perennials, tender perennials, or annuals in Michigan?
Answer: They are annuals in your area, though in their native climates (USDA Zone 8-10) they are perennial. They will self-seed in mild-winter climates, but I don t think Michigan falls in that category.
Q&A Library Searching Tips
When singular and plural spellings differ, as in peony and peonies, try both.