How to sow rock peony

Sowing medium for rock peony

Rock peony does not like humus. You can choose gravel and medium-grained vermiculite and add a little rice husk ash and base fertilizer to mix them in proportion. The matrix must be strictly sterilized at high temperature. It is best to put some large particles at the bottom when laying the substrate to facilitate ventilation and drainage. The thickness of the substrate should be about 6 or 7 cm. The matrix must be strictly sterilized at high temperature. It is best to put some large particles at the bottom when laying the substrate to facilitate ventilation and drainage. The thickness of the substrate should be about 6 or 7 cm.

How to sow rock peony

There should be a certain spacing between plants and rows when sowing, generally about 1 cm between each seed. Place the seeds directly on the substrate, soak them in water, and then cover them to keep them warm.

Management of rock peony during seedling stage

During the period from the emergence of rock peony seedlings to the two-year stage, the suitable temperature is about 35℃ during the day and about 20℃ at night. Generally, the seedlings can be covered with large plastic bags to effectively control the temperature and humidity. It is best to place them in places such as balconies with scattered light, and it is better if a layer of water droplets can form in the bag. No fertilizer is needed, just keep the soil moist. You can use the potting method of immersing the pot. Note that you must use clean well water or tap water that has been placed in the pot. The water depth should be about half the depth of the potting soil. You can take it out when the surface of the potting soil starts to get wet. It must be noted that at this stage, it is best not to transplant seedlings easily.

In the two to four years of rock peony. Repot the plant in May or June around the second anniversary. After removing the plant from the pot, trim the roots appropriately, remove fibrous roots and unhealthy roots, and sprinkle some rooting powder. Cool the seedlings for about 3 days. Add more base fertilizer to the substrate, then pot it in moist soil and control the distance between seedlings. Soak the pot in scattered light for a week, no need to keep it in a stuffy place. After watering normally 3 or 4 times, you can apply fertilizer and water. You can apply fertilizer in appropriate amounts according to the specific situation, and adhere to the principle of applying small amounts of fertilizer frequently.