When to plant Angelica dahurica? When will it be collected?

Angelica dahurica is a widely used medicinal material, and its root is its core value. In addition to its application in the pharmaceutical field, the roots of Angelica dahurica can also be used to make spices, etc. Let’s learn when to plant Angelica dahurica. When will it be collected?

When to plant Angelica dahurica? When will it be collected?

The planting and harvesting time of Angelica dahurica mainly depends on the climatic conditions of the growing area, but generally:

1. Planting time

Spring sowing: Generally carried out from March to April in spring, but the yield and quality of Angelica dahurica sown in spring are usually not as good as those sown in autumn.

Autumn sowing: The most suitable time for sowing is autumn, usually from August to September. The climatic conditions during this period are more conducive to the growth of Angelica dahurica.

2. Harvest Time

The harvest time of Angelica dahurica is generally in the spring of the second year after planting, around May to June. At this time, the roots of Angelica dahurica have fully grown and accumulated enough effective ingredients, which is the best time to harvest.

How to plant Angelica dahurica

1. Sowing time

Areas south of the Yangtze River are suitable for sowing in autumn or spring, and the best sowing period in East China, Central Plains and western regions is from August to October. If sowing in winter, cover with mulch to keep warm. In cold northern regions, sowing can be done in early spring. New seeds harvested that year should be selected for sowing.

2. Sowing method

It can be sown in rows, in holes or broadcast. Row seeding helps plants grow, while hole seeding saves on covering materials such as ash or hay. When sowing in rows, dig 2 cm deep furrows at a row spacing of 30 cm and sow the seeds mixed with river sand evenly, with a sowing rate of 4-5 kg ​​per mu. The sowing rate per acre is 6 kg. Water should be applied immediately after sowing and the soil should be covered with grass, wood ash or wheat straw so that the seeds are not exposed. If there is no rain after sowing, timely irrigation is needed to keep the soil moist and promote seed germination. Generally, the seeds begin to germinate after 15-20 days.

3. Field management:

(1) Thinning and tillage

When the seedlings grow to 5-7 cm, thin them out, keep one plant every 6 cm or so in row sowing, and remove sick and weak seedlings. The seedlings should be transplanted in mid-February of the following year, leaving one strong seedling in each hole. Keep the row spacing for sowing at 12 cm, and when transplanting seedlings, be careful to remove the overly vigorous seedlings and those with white leaves and green leaves. Intertillage should be carried out when thinning the seedlings. The first intertillage should be shallow, and it is not advisable to carry out intertillage after the seedlings are established.

(2) Topdressing

Apply 4 kg of urea and 20 kg of potassium sulfate the following year after sowing.

(3) Irrigation and drainage

If there is drought in the middle of the growth period, water 1-2 times to promote root growth. If there is too much rain, the water should be drained in time to prevent root rot or disease.

(4) Pinching moss

The flower stalks of Angelica dahurica should be removed in time to reduce nutrient consumption, otherwise the roots cannot be used as medicine after flowering.

5. Pest and disease prevention

Leaf spot: May appear in early May and is caused by fungi. In the early stage of the disease, remove the diseased leaves and spray "Bactericide King" or "Drug-killing" aqueous solution 1-2 times, diluting according to the instructions.

Root rot: may occur when there is continuous rain and poor drainage. The prevention and control method is to drain the water in time, and use a dilute solution of Green Heng No. 6 to irrigate the roots in the early stage of the disease. In serious cases, the diseased plants should be removed to prevent fungal infection.

Red spider mites and aphids: When they injure leaves, spray them with diluted Manyuanqing or Lecithin.

6. Harvesting and processing

Angelica dahurica is usually harvested in July or August of the second year after sowing. When harvesting, the entire root needs to be dug out, the soil removed, and transported to the drying yard, where it is separated by size and dried in the sun. Dry it during the day and fumigate it with sulfur 1-2 times in the evening. Leave a small hole during fumigation to exhaust a small amount of smoke to prevent the fire from extinguishing. Fumigation helps to remove moisture from the angelica root, making it easier to dry in the sun. If it rains, you can use the drying method.

In short, the specific planting and harvesting times may vary depending on factors such as region, climate, soil type and planting management, so growers should determine the best planting and harvesting times based on local conditions.