Should I cover my perennials?

Related questions

1. Do perennials live forever?
2. Is semi annual and biannual the same?
3. What is once every 2 years called?
4. Is the Venice Biennale every year?
5. What do you call every 4 months in a year?
6. What is 6 months anniversary called?
7. What is a hardy biennial plant?
8. Is biannual every 2 years?
9. Can you grow onions all year round?
10. Is Onion a biennial?

Tags

1. #worst
2. #plant
3. #perennial
4. #perennials
5. #above
6. #flowers
7. #frost
8. #overnight
9. #annual
10. #foliage
11. #tender
12. #remove
13. #freezing
14. #vegetables
15. #cover
16. #might
17. #covering
18. #temperature
19. #plants
20. #surprise
21. #brown