How to keep asparagus green?

To sum up, asparagus should be semi-cloudy, moist, thin and fat, loose and breathable to prevent water accumulation.

1. illumination: Asparagus is a semi-shade plant, which does not require high illumination. In summer, it is placed in a bright place on the windowsill, which does not need direct sunlight, but it can be fully sunny when the highest temperature is below 25℃ in spring and autumn. It is best to have 1 day direct sunlight in winter. At first, the leaves were only exposed to sunlight at 8 am or around 5 pm, and gradually adapted to direct sunlight in a week or so, so that they could fully receive full sunshine below the maximum temperature of 25℃.

2. Soil: ordinary nutrient soil is 4: 1 garden soil, 1 liter soil is mixed with 2-3g slow release fertilizer, and the basin bottom can be covered with a layer of ceramsite or coarse river sand to prevent water accumulation. Garden soil mainly plays the role of consolidating roots, otherwise it is easy to blow off the whole shape with total nutrient soil.

3, watering: Asparagus likes to be wet, if the soil is too dry, then the leaves are easy to turn yellow or even fall off and die.

Water the soil when it is found to be a little dry, but keep the soil moist and not accumulate water, and spray water mist on the leaves from time to time. In addition, it is not necessary to keep moisture in winter, as long as the soil has a certain amount of moisture.

4. Fertilization: Asparagus is a foliage plant, so the demand for nitrogen fertilizer is relatively large. Nitrogen fertilizer can be applied once every two weeks, and it is recommended to spend more 10 to promote green and vigorous leaves. Because asparagus's rhizome is slightly fleshy, it is used to store nutrients and sprout new buds, and high potassium fertilizer can promote the development and hypertrophy of fleshy roots.