Perennial Plant of the Year for 2019

The Perennial Plant association looks for plants that grow reliably in a variety of environments, among other criteria:

• Suitability for a wide range of climatic conditions
•  Low-maintenance requirements
•  Relative pest- and disease-resistance
•  Ready availability in the year of promotion
•  Multiple seasons of ornamental interest

For 2019 the choice was Stachys Hummelo, a slow spreading purple flowered plant.

If you're starting a new garden or are looking to add beautiful new plants, this list is a good starting place.   Note they also list the choices back to 1990 on a separate tab.

https://perennialplant.org/page/PPOY