Black leaves !!???

All the leaves on these plants are starting to turn black they were fine until a few nights ago an it's getting worse every night

Yeah man black or purplish leaves like that indicate that your plant is getting cold at night or during some time. Its a temp drop that starts that. Dont worry. Looks awesome

OutDoorGrow16 said:

All the leaves on these plants are starting to turn black they were fine until a few nights ago an it's getting worse every night

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It's the cold causing the leaf coloring.

Yep, they're getting too cold.
You can paint some containers black, fill with sand and water then place them at the base of your plants.
They'll heat up during the day and give off heat during the night helping to keep them from freezing.

Jimmy Sparkle said:

Yeah man black or purplish leaves like that indicate that your plant is getting cold at night or during some time. Its a temp drop that starts that. Dont worry. Looks awesome

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Ok cool that what slot of people have been saying got me worried thinking I over did it with nutriants or something

could it be deficient in phosphorus? are temps well below 60 at night?