Tomato plants are purple help please....

The stems and undersides of my tomato plants are dark purple does this mean there is a phosphorus nutrient lockup? If so how do i fix this? My temps in the day are 80-85 degrees F and at night 70-79 degrees f. note. all these plants when in the seed germination and sprout stage were in temperatures colder than 50 degrees at night could this be why?

Is it just me or do they look super dry? Did you give those little plants big plant nutes? At that size I only give them a foliar spray every 5 days or so of a very mild kelp solution.

I don't think the low night temps during sprouting/germination would be affecting them like this now if they didn't show signs of this before.

Moisten up the soil, give it a couple days, get back at us if it doesn't grow

They are growing fine. I'm just worried about the purple color. I'll try watering more

mouse1818 said:

They are growing fine. I'm just worried about the purple color. I'll try watering more

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I've always been told that tomatoes don't like wet feet for what it's worth.

Tomatoes are doing amazing and the the new leaves aren't purple so I guess they are healthy.