Why did Van Gogh paint sunflowers 11 times?

Related questions

1. Is Starry Night in the Van Gogh Museum?
2. Why did Vincent van Gogh cut off his ear?
3. What is the black thing in starry night?
4. Why did Van Gogh start painting?
5. Why did Van Gogh create starry night?
6. How did Vincent van Gogh lose his ear?
7. Where are Van Gogh Sunflowers?
8. What is the most expensive painting in the world 2019?
9. Why are sunflowers so popular?
10. Who owns Starry Night?

Tags

1. #sunflower
2. #gauguin
3. #painted
4. #decorating
5. #summer
6. #series
7. #prove
8. #stood
9. #jansen
10. #paintings
11. #explains
12. #artist
13. #sunflowers
14. #first
15. #wanted
16. #ground
17. #house
18. #arles