Where can I buy Sweet Milkvetch seeds? What are the seedling methods?

Sweet Milkvetch is the whole plant with roots of Gueldenstaedtia verna, a plant in the genus Gueldenstaedtia of the Fabaceae family. It is a common medicinal herb plant, with the effects of clearing heat and detoxifying, cooling blood and reducing swelling. In recent years, as the planting area has expanded, the output has also increased significantly. Sweet Milkvetch is generally harvested 4-5 times a year, roughly once a month. So how should Sweet Milkvetch be planted? Let's take a look at its seed selection and seedling techniques.

Where can Sweet Milkvetch seeds be bought?

Sweet Milkvetch seeds are relatively small, and once the fruit matures the seeds will pop out automatically, so they must be harvested after the seeds mature and the seed pods turn yellow but before they split, and then dried. Sweet Milkvetch is currently mainly distributed in Northeast China, North China, Shaanxi, Gansu, Shandong, Jiangsu, Hubei, Hunan and other places. Apart from these major production areas where seeds are generally sold, you can also buy them online.

What are the seedling methods?

1. Preparation before sowing

A conventional sowing box can also be replaced with a seedling tray. The wooden box must be soaked thoroughly with water before use, otherwise it will easily cause the soil and the box to separate, affecting seedling emergence. For the bed soil, generally use 2 parts garden soil, 2 parts leaf mold, and 1 part fine sand, sifted through a sieve with a mesh size below lcm and set aside. Before sowing, the soil should also be disinfected, to achieve the purpose of cultivating strong seedlings and preventing seedling-stage pests and diseases.

2. Sowing method

Store the collected seeds in a ventilated and dry place. Sow in early December in a low-temperature greenhouse at 2~8°C, seedlings emerge in February of the following year, and they are planted out in the field in March. You can also take the seeds in May and sow them directly in the ground, and they will soon germinate and emerge. Because the seeds are relatively small, when sowing it is best to use the "basin-bottom soaking method", that is, put the bed soil into a seedling tray or shallow basin, moisten the entire bed soil, and then sow.

3. Seedling-stage management

After the young seedlings have all emerged, management should be strengthened, especially temperature control to prevent the seedlings from becoming leggy. At this time, light should be sufficient, and the temperature should be controlled at 15°C during the day and 8°C~10°C at night, keeping the soil slightly dry. When the young seedlings grow their first true leaf, begin pricking out the seedlings. When transplanting, the root system should be spread out, and the bottom water should be watered thoroughly. In addition, an appropriate amount of decomposed organic fertilizer liquid can be applied to promote the growth of the seedlings. When the seedlings grow to more than 5 leaves, they can be planted out.

4. Planting out

For planting density, if you choose large and medium seedlings with 15~20 leaves for transplanting, 40 plants/m. If you choose small and medium seedlings with 5~10 leaves for transplanting, the density can be 50 plants/m. In addition, it was found that transplanting with soil recovers faster from transplanting shock and has a higher survival rate than bare-root transplanting.

5. Management after seedling raising

Generally, no special management is needed during the growing period. During its peak growth season, apply organic fertilizer once every 7~10 days. This will make its landscape effect even better.

Overall, there are many classifications of Milkvetch, and Sweet Milkvetch is only one small species among them. Market demand is not considered large, but its medicinal value is indeed good. When planting, you can collect seeds yourself or buy seeds for seedling cultivation.

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