Q.Is There An Simple Guide To Native Plants/flowers For Balconies?
I live downtown TO. 15th foor. West facing. Absolute beginner, overwhelmed with information available. Would like a simple visual reference (even hard copy) of : Choices of Native plants. Image. Different conditions. Care. Pet safety (cat).

Certified GKH Gardening Expert
You can find out about native wildflowers in your area through a library, a native plant society, or through area native plant nurseries. Here is one source that gives some info on Toronto wildflowers.
https://highparknature.org/about-high-park-nature/
Here is a general article about wildflowers.
https://www.gardeningknowhow.com/ornamental/flowers/fgen/the-wild-side-of-gardening-using-wildflowers-and-native-plants.htm
The ASPCA website gives a good list of toxic plants for cats but I'm not sure how much of that is native plants. https://www.aspca.org/pet-care/animal-poison-control/toxic-and-non-toxic-plants