Purple leaves are caused by expression of anthocyanin due to light exposure.
50+ Tomato Leaves Purple. This is the most telling trait of that deficiency. Purple under leaves of tomatoes is a trait of phosphorus deficiency.
Tomato Leaves Turning Purple Vegocracy from i1.wp.com
A tomato plant disease could be to blame. While this family plays host to a variety of toxic. Sometimes the leaves of the tomato seedlings we grow in pots gain a purplish shade on the bottom;
Photo taken by my dad.
Black mold infected tomato leaves. A close up of a cherokee purple tomato plant. The plants does the purple color mean anything? Control leaf spot by not crowding your tomatoes.
