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Milan HP · November 17, 2021

Quite a few veggies turn purple when they are short of phosphorus. The other possibility is low temperatures which don't allow them to take enough of it from the soil. Maybe that's similar with peppers.

Milan HP

November 17, 2021	#4
Milan HP Tomatovillian™ Join Date: Dec 2017 Location: Ústí nad Labem in the north of the Czech Republic Posts: 332	Quite a few veggies turn purple when they are short of phosphorus. The other possibility is low temperatures which don't allow them to take enough of it from the soil. Maybe that's similar with peppers. Milan HP