Among other findings, the scientists discovered that violets produced fewer showy flowers in environments with warmer temperatures and less rain, while those in cooler climates with more precipitation produced more showy flowers. As temperatures warm, violets are also blooming earlier in the year.

— Read more in Climate change is affecting when and how violets reproduce at Phys.org, and see also Yes, spring flowers are blooming earlier—and it might confuse bees. Hat tip to Jalapeno!