I am hoping it will be a wildflower, as it is spread throughout our school wildflower garden, but no buds yet. 
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Is the stem square sided or round? Just twirl the stem in your fingers to feel. – NaniBly Jul 3 '20 at 19:08
That looks like mint. Can you break off a leave and spell to see if it's a mint.
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It isn't mint, I know what you mean, the leaves look somewhat like that with a fuzzy texture. But the leaves are much larger than mint. Thank you! – Deb Jun 29 '20 at 11:47
Looks like a lemon balm - rub the leaves, do they have a mostly-citrus, slightly-minty aroma?
