I am a (fairly new) gardener in Alberta and I am having trouble identifying a few of the things that have sprouted up in my garden.

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This was sold to me as Coleus, but I'm pretty sure it is something else, but I can't figure it out.

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These came out of a package of mixed seeds, I would just love to know what they are.

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I found this growing among my Gladiolus, but I haven't the slightest clue what it is.

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I planted these late in the season, but I lost the package of seeds, and I can't remember what they are, I just want to care for them properly.

If anyone could help identify these I would be very appreciative.