Root rot is the most common reason for sweet potato vine leaves to turn yellow or brown. To help prevent this, make sure your soil, and the container if planted in one, drain well, they don't like wet feet. Fungal infection is also a leading cause of yellow or brown leaves.
Why are the leaves on my sweet potato plants turning yellow?
Nutritional deficiencies may also contribute to sweet potato leaves turning yellow. The most common deficiency is lack of nitrogen, which can be treated with a nitrogen rich fertilizer. A magnesium deficiency will also show as yellowing leaves since magnesium is used by the plant to make chlorophyll.
What do you do when potato leaves turn yellow?
Potato plants turning yellow indicate that it is almost time to harvest. They signal to the grower that the plants are redirecting their energy from growing lush foliage to maturing the potatoes. When you're potato leaves turn yellow late in the growing season, it's a safe bet they're ready to harvest.
Why are the leaves falling off my sweet potato vine?
Fungal Disease Causes Root rot and fusarium wilt may cause sweet potato vines to develop yellow or brown leaves that wither and drop, although these diseases are more common in edible sweet potato crops than in ornamental sweet potato vines. There is no cure for these diseases.
How do you revive a sweet potato vine?
How to Revitalize a Replanted Sweet Potato Vine1Spread 3 to 4 inches of organic mulch, such as compost or grass clippings around the sweet potato vvines. ... 2Water the sweet potato vine once a day, or as necessary to keep the soil consistently moist.
More useful articles on a similar topic 👇
Are sprouted sweet potatoes poisonous?Why are my sweet potato leaves dying?
