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jal_ut
Super Green Thumb
Posts: 7447
Joined: Sun Jan 18, 2009 10:20 pm
Location: Northern Utah Zone 5

If the tubers form and push upwards and the sun hits them, they turn green and bitter. The green is actually toxic. The reason to hill them is to provide a cover over those tubers so they don't see the light. No other reason.

You will get larger tubers if you cut your potatoes with one or two eyes per piece to plant.



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