They sprouted out of the ground this way, but I've noticed more white in the past few days. They were planted around 2 weeks ago.

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1 Answer 1


This is probably an attack by the potato flea beetle. Deficiency or simple necrosis (leaf tissue death by mechanical means) would be more yellow, brown or black; the white is distinctive. The beetles chew out the green layer inside the leaf and do so in a spotty fashion leaving circular patches, so the leaf surfaces remain but the green is gone, leaving a white appearance.

More detail on potato flea beetle in this University of Maryland Extension IPM paper.

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