Q.perennials in planters
Are there perennials that are showy and will survive in planters?
There are many perennials that can be grown in containers, planters and pots!
Choose plants appropriate to your growing zone and sunlight conditions.
Here are some links that will help you get started.
https://www.gardeningknowhow.com/ornamental/flowers/fgen/full-sun-plants.htm
https://www.gardeningknowhow.com/special/shade/plants-for-creating-shade-containers.htm
https://www.gardeningknowhow.com/ornamental/shrubs/esperanza/esperanza-plant.htm
https://www.gardeningknowhow.com/ornamental/bulbs/gladiola/growing-glads-in-containers.htm
https://www.gardeningknowhow.com/ornamental/flowers/coral-bells/coral-bells-plant.htm
https://www.gardeningknowhow.com/ornamental/flowers/angelonia/growing-angelonia-plants.htm