How to grow roselle flowers
Roselle, also known as roselle, is a plant with both ornamental and medicinal value. In recent years, with the rise of healthy diet, the cultivation and consumption of Roselle has attracted more and more attention. This article will introduce in detail how to grow roselle flowers and provide structured data to help you master the planting techniques easily.
1. Basic information about Roselle
Roselle is native to tropical areas and likes a warm and humid climate, so it is suitable for planting in spring or summer. Its flowers are bright and can be used to make scented tea or extract natural pigments, and have high economic value.
| Properties | Details |
|---|---|
| scientific name | Hibiscus sabdariffa |
| Family | Malvaceae Hibiscus genus |
| growth cycle | annual or perennial |
| suitable temperature | 20-30℃ |
2. Preparation before planting
Before planting roselle flowers, you need to make the following preparations:
| steps | Operation |
|---|---|
| Selection | Choose plump, disease-free seeds |
| soil | Loose, fertile, well-drained sandy soil |
| light | At least 6 hours of direct sunlight a day |
| watering | Keep the soil moist and avoid standing water |
3. Planting steps
The steps for growing roselle flowers are as follows:
| stage | Operation |
|---|---|
| sow | Soak the seeds for 24 hours before sowing and cover with 1-2 cm of soil. |
| sprout | Keep the soil moist and germination will take about 7-10 days |
| transplant | Transplant the seedlings when they reach 10 cm, spacing 50 cm apart |
| fertilize | Apply organic fertilizer or compound fertilizer once a month |
4. Daily management
Daily management of roselle includes watering, fertilizing and pest and disease control:
| Project | method |
|---|---|
| watering | Water every day in summer and less frequently in winter |
| fertilize | Apply more phosphorus and potassium fertilizer before flowering period |
| pests and diseases | Regular inspections and timely prevention and control of aphids and red spider mites |
5. Harvest and Storage
The calyx of the roselle flower is the main edible part and is usually harvested within 1-2 weeks after flowering. Here are some harvesting and storage considerations:
| steps | Operation |
|---|---|
| Harvest | Choose a sunny day to harvest in the morning to avoid dew. |
| dry | Shade dry or tumble dry at low temperature, avoid direct sunlight |
| save | Seal and store in a cool and dry place |
6. Frequently Asked Questions
The following are common problems and solutions you may encounter when growing roselle flowers:
| question | Solution |
|---|---|
| Low germination rate | Soak seeds or replace with fresh seeds |
| Leaves turn yellow | Check watering frequency or supplement nutrients |
| Delayed flowering | Increase light or adjust fertilization plan |
Through the above steps and structured data, I believe you have mastered the method of growing Roselle. Not only do roselles add color to your garden, they also provide you with a healthy source of flower tea. Act quickly and enjoy the fun of planting!
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