Why do my potato plants fall over?

Potato plants will fall over when the plants are mature and ready for harvest. Potato plants can also fall over if they are too tall due to over fertilization. Temperature, watering, diseases, and pests can also cause your potato plants to fall over, possibly without producing any potatoes.Click to see full answer. Also to know is, why have my potato plants collapsed?If your potato plants appear leggy and weak, they likely fell over due to some wind, wild animals, or they may have collapsed under their own weight. Leggy plants are tall and spindly, with thin foliage. A potato plant will become leggy if it is not receiving enough sunlight.Beside above, do potatoes keep growing after the plant dies? After the plants die back, potatoes stop growing, but can be left for several days in soil that is not too wet and in temperatures that have not dropped to below the freezing mark. Then, should you stake potato plants? As the plants grow, mound additional soil around the plants every week or two. Do not let the tubers or potatoes be exposed to sunlight. Staking or caging potatoes – Plants grow tall, and will often fall over. Staking, caging or fencing the plants, helps to keep them healthier, and to produce bigger spuds.Why are my potato plants turning yellow and dying?Verticillium wilt (Verticillium dahlia) of potatoes causes the lower leaves to yellow and wither. The symptoms of infection spread upward until your entire plant is yellowed and wilted. The vascular tissue of the potato plant stems also becomes light brown. Some tubers may be discolored near the stem end.