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More likely a fungal issue. Make sure you water from below and don't splash onto the leaves. Make sure soil is well draining and dries slightly between watering. Air flow can help prevent fungus issues.

This article will help you.

https://www.gardeningknowhow.com/plant-problems/disease/plant-leaf-spots.htm

Growing orchids from seed is more complicated than other flowers because the seed is so tiny. Here is an article that explains 2 ways to grow orchids from seed:

https://www.gardeningknowhow.com/ornamental/flowers/orchids/planting-orchid-seeds.htm

Unfortunately, these require 10 weeks in cold stratification before they will even begin the germination process.

We do not recommend places for purchase, but you may be able to find, already, stratified seeds that may, at least, germinate in your time frame. I would check online nurseries.

https://www.gardeningknowhow.com/ornamental/flowers/monkey-flower/growing-monkey-flower-plant.htm

Yes, it is.

https://www.gardeningknowhow.com/ornamental/flowers/monkey-flower/growing-monkey-flower-plant.htm

I am in zone 6, too, and mine just put on its first bloom yesterday. They are North American natives, so I would not fertilize it. They need full sun to part shade and like moist soil.

Once they start blooming, they should continue the rest of the summer.

https://plants.ces.ncsu.edu/plants/mimulus-ringens/