20pcs Seeds Roselle Hibiscus Flower Ribena Biji Benih Bunga Rosel

2. Soak the seeds for 12 hours before sowing, choose a sunny day after rain, and use the method of hole sowing, sowing 4-5 seeds per hole, sowing depth of 3 cm, and cover soil with 0.5-1 cm after sowing.

3. Water and Fertilizer: Roselle likes humidity and avoids water accumulation. It does not need too much water during the growth period. Water it in time in case of drought, and drain it in time in the rainy season. Roselle is tolerant to fertilizer. In addition to applying enough base fertilizer, topdressing should be done in time. Nitrogen fertilizer should be the main fertilizer in the seedling stage, and phosphorus and potassium fertilizer should be used in the stage of budding to calyx and fruit enlargement.

4. Management: The seedling height is about 15 cm, and the weak and diseased seedlings are thinned out. One strong seedling is left in each hole, and the rest are allocated to fill the missing nest; when the seedling height is 80 cm, it should be sharpened to promote strong branches and more flowers. During the growing season, weeding and loosening should be done frequently, and pests and diseases should be prevented in time.