Maintenance of blood amaranth plants should give it sufficient light, it likes a warm growing environment. Do not keep it in a cool and sunny place for a long time. Enough sunshine is good for its growth.
It's better to give it a 20-25 ℃ growth environment. The temperature in winter should not be too low, and the minimum temperature should not be lower than 10 ℃. It is easy to frostbite if the temperature is too low.
Amaranth like humid environment, should always keep the soil slightly moist. In its growth period to ensure adequate water, can be appropriate more water
Do not apply fertilizer too frequently, only once a month in the growth stage. It should be given more P and K fertilizer. Do not apply fertilizer with too high concentration to avoid fertilizer damage.