Why Do My Impatient Plants Die On My Patio**

Question

My sweet potato plant died ALSO

Answer 1

Unfortunately, that is hard to say without much more information. Likely it is an environmental factor, such as too much water, or not enough water, which can cause sudden wilting.

These articles will help:

https://www.gardeningknowhow.com/ornamental/flowers/impatiens

https://www.gardeningknowhow.com/edible/vegetables/sweet-potato