Q.Nicotiana
Nicotiana seems to attract aphids. Is nicotiana toxic to them as they appear to perish on the flower trumpets?

Once up and running, plants are essentially problem-free, though aphids sometimes favor woodland tobacco, and many species are prone to slug attacks in moist, shady sites.
https://www.gardeningknowhow.com/ornamental/flowers/nicotiana/growing-nicotiana.htm
https://www.gardeningknowhow.com/plant-problems/pests/insects/homemade-aphid-control.htm