Can spinach be planted before and after the first frost? Brief introduction of first frost

After 1, the first frost can grow winter spinach. Overwintering spinach mainly refers to sowing in autumn, overwintering with 4 ~ 6 leaves before winter, and continuing to grow after turning green in the following spring. Mainly used as the source of goods in the early spring market. In general, 1 1 is sown from late September to early October.

2. The first frost is the eighteenth of the twenty-four solar terms and the last solar term in autumn. Fight with your fingers; The solar calendar is 210; Celebrate every year on Gregorian calendar 10 year1October 23rd-24th. After entering the first solar term in first frost, the scene of late autumn is obvious, and cold air moves southward more and more frequently. The first frost does not mean "frost", but refers to the sudden drop in temperature and the large temperature difference between day and night. On the national average, "first frost" is the season with the largest temperature difference between day and night in a year.

3. In the first frost season, everything is finished, everything in the sky is finished, the sun goes down to the ground, Yin Qi begins to condense, and the first frost weather is getting colder and colder. Because "frost" is a manifestation of cold weather and large temperature difference between day and night, it is named "first frost", which means "sudden drop in temperature and large temperature difference between day and night". The first frost solar terms are characterized by cold weather in the morning and evening, hot weather at noon, large temperature difference between day and night, and obvious autumn dryness. The solar terms in the first frost mainly include the customs of enjoying chrysanthemums, eating persimmons, climbing high and overlooking, and tonic.