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Torenia plants like moist but well-draining soil and they do best in morning sun and afternoon shade. Double-check your location and water situation and think about fertilizing soon. This article may help you:

https://www.gardeningknowhow.com/ornamental/flowers/wishbone/growing-wishbone-flowers.htm

Torenia can grow as a perennial in zone 10 or above but is generally grown as an annual

This would be a wishbone flower! This article will give you more information about how to care for these: https://www.gardeningknowhow.com/ornamental/flowers/wishbone/growing-wishbone-flowers.htm

Torenia is prone to powdery mildew and root rot. The plant prefers consistently damp but not soggy soil and part shade. If your plant hasn't been repotted in the past 3 months, start with repotting and going up one pot size. Don't use potting mix with added fertilizer which is formulated for outdoor summer plants. Assess the roots for rot and adjust your watering practices as needed. Use a balanced fertilizer such as 10-10-10 at half the recommended rate. If your plant seems to be recovering but still not blooming, consider supplemental light.

I cannot find any indication that it is toxic at all, but it will be best to err on the side of caution when it comes to this subject. Just do what you can to keep houseplants out of their reach. If it is outside, then this can be hard to do, but I could not find any sources indicating that this could harm animals.

They should have a spacing of about 8 inches between each plant. This article will help you to care for them:

https://www.gardeningknowhow.com/ornamental/flowers/wishbone/growing-wishbone-flowers.htm