Sweetpotato leaf is a kind of vegetable.
Sweetpotato is a Starch kind of food.
Sweetpotato leaf and Sweetpotato both is different kind foods.
Sweetpotato leaf also would grow Sweetpotato, but his Sweetpotato very small.
Sweetpotato also would grow Sweetpotato leaf, his leaves can not be eaten, you also can to eat his leaves , but it very difficult to eat.
Sweetpotato leaf and Sweetpotato , both are different varieties, one special for eating leaves, one for eating Sweetpotato.
In China, Sweetpotato leaf already is a very popular dish, and there are many Grand Hotel have it.
Planting Sweetpotato leaf , only need cut his stems to buried in the soil, he will grow new whiskers and become a new Sweetpotato leaf .
need to buy fertilizer, pay attention to the soil and water for some days. The moisture, before he grows up / grow new whiskers, it life more difficult and it is easy to die.
In my country, Sweetpotato leaf, a few decades ago, we called it a pig's dish. Because it there is a lot of wild, it is easy to grow, and the growth period is very short, so in the early days, it was used to raise pigs.
But now, Sweetpotato leaf is a home-cooked dish.
in my country, Planting Sweetpotato leaf is from April to October, but it can be harvested all year round.
It can be harvested once every 10~15 days in summer and 20~30 days in winter.
Its root is shallow and no fertilization , so can required Planted in potted .
So I planted several places, the first and second pictures above were planted by me, potted plants and balconies.
How to cook/Sweetpotato leaf can look at the video
The above information is referenced from
https://zh.wikipedia.org/zh-tw/%E7%95%AA%E8%96%AF%E8%91%89
www.youtube.com/watch?v=vySRQC8A9Is
https://www.fooding.com.tw/article-content.php?aid=101315
https://ml.bldaily.com/life/p-280217.html
https://kknews.cc/zh-tw/health/px298q2.html