The suitable time for planting crocus sativus is September-June and 65438+1October every autumn. At this time, the climate is more suitable and the planting survival rate is higher. Its flowering time is around the end of June, 65438+ 10 month, and it can last for about one month.
Post-treatment method of crocus sativus
After the saffron blooms, you can prepare a pair of sharp scissors to cut off the residual flowers. Don't worry about pruning branches and leaves and maintaining them normally. You can also synthesize nutrients through photosynthesis while keeping the branches and leaves.
1, pruning
After the saffron blooms, the residual flowers need pruning. Although it failed, it still consumed nutrients, and it was not ornamental and looked unsightly.
water
When saffron blooms, it is not advisable to water it too much, and water it slightly to ensure that the soil is not too dry.
Step 3 apply fertilizer
Crocus sativus will consume a lot of nutrients during flowering, and the plant will enter dormancy after flowering. Before pruning, add fertilizer and nutrition to help restore. The fertilizer can be phosphorus and potassium compound fertilizer, which can be applied twice, so that the treated seeds will grow stronger and promote the second year's flowering.
How to raise saffron and blossom more?
Before planting crocus, organic fertilizer and some calcium superphosphate should be applied to the soil. After the plant takes root and leaves out, dilute liquid fertilizer is applied every 10 day, and the nitrogen and phosphorus of the fertilizer are balanced until the buds are removed and colored.
Saffron likes sunshine. The more sunshine, the better it grows. Because the whole growing season is in autumn, there is no need for shading. The optimal illumination duration is 4-6 hours per day, and the growth temperature does not exceed 30 degrees. The optimum temperature for flowering is 18-24 degrees, and the management temperature for wintering in winter is not lower than 5 degrees.