Sweet potatoes are best sown in spring every day, if you want to raise seedlings in advance, you can sow in early spring, use plastic arch shed to raise seedlings, improve the temperature of the sowing environment, wait until sweet potato seedlings grow two true leaves before transplanting. If you want to sow directly, you can put the seeds into clean water before and after the Grain Rain to soak and germinate, and when the seeds are white, you can directly sow them in the ground.
1. Oxalis
There are many varieties of Oxalis, of which the most ornamental value, the most common family planting is the bulbous Oxalis, its seed ball is very small, reproductive capacity is particularly strong, each group of leaves has three petals, lush branches and leaves, flowers bright color, a large number of flowers.

Oxalis purpurea
Oxalis purpurea is taller than Oxalis bulbous. As a herbaceous flower, Oxalis purpurea is also easy to grow and explode. Each group of leaves has three petals, which are purple. Each leaf is on the top of the branch, and the leaves will close automatically when there is no light.
White clover
White clover is what we often call clover. Its flowers are white, and each group of leaves has three petals. There are also white patterns on the leaves. It is often used as a garden plant to cover the ground. It grows very fast. When I was young, I often looked for four-leaf clover in the grass ~

4. three leaves
Sanzhangye, also known as Sankuaiwa, is a climbing vine, mostly growing in the mountains between the soil and stones, the leaves are trifoliate, with long petioles, mainly distributed in Guangxi, Yunnan, Guizhou and other places, is one of the more common Chinese herbal medicines in traditional Chinese medicine.
Trimeresurus
Tetrastigma hemsleyanum, also known as the golden thread hanging gourd, is also a perennial evergreen vine. Each group of leaves also has three petals. Like the three leaves, it is also one of the more common Chinese herbal medicines in traditional Chinese medicine.
