While scientific consensus is limited, many hobbyists report taller stems, thicker foliage

https://andersonvngw461.tearosediner.net/electroculture-vs-traditional-gardening-what-s-the-difference-1

While scientific consensus is limited, many hobbyists report taller stems, thicker foliage, and earlier blooms when electroculture devices are placed near beds, especially in poor soils or arid microclimates.