How to Grow Green Beans Using a Hydroponic System for Beginners
Basic Data
- ☀ Ideal Temperature: Green Beans thrive in temperatures between 70°F to 85°F.
- 🌱 Germination Time: Typically takes 7 to 10 days to germinate.
- 📅 Time to Maturity: Begins to produce beans in about 50 to 60 days.
Germination Steps
- Step 1: Soak the planting sponge and gently squeeze out excess moisture.
- Step 2: Place green bean seeds into the damp sponge.
- Step 3: Maintain a warm environment until seeds germinate.
- Step 4: Transfer the sponge with the sprouted seeds to the hydroponic system.
Growing Process
Light Requirements Table
| Stage | Light Duration | Light Spectrum | Light Intensity |
| Germination | Not required | Not applicable | Not applicable |
| Seedling | 14-16 hours/day | Full spectrum | 200-300 µmol/m²/s |
| Vegetative | 16-18 hours/day | Full spectrum | 300-400 µmol/m²/s |
| Mature | 16-18 hours/day | Full spectrum | 300-400 µmol/m²/s |
- 💧 Water Pump Volume and Duration: Set to cycle every 15 minutes.
- 🔧 pH Value: 6.0 to 6.8.
- 🍼 Nutrient Ratio:
- Nitrogen: 180 parts per million
- Phosphorus: 120 parts per million
- Potassium: 200 parts per million
- Calcium: 150 parts per million
- Magnesium: 60 parts per million
- Trace Elements: Include Iron, Manganese, Zinc at 1 part per million each as needed.
Plant Benefits
- High Yield: Known for their prolific production.
- Nutritional Value: Rich in fiber, vitamins, and minerals.
- Fast Growing: Quick to mature, offering rapid gratification from seed to harvest.
Conclusion
Green beans are an excellent choice for hydroponic beginners due to their straightforward care and rapid growth cycle. These beans are not only easy to grow but also provide a nutritious addition to any meal. Enjoy the satisfaction of harvesting your own beans, which can be a delightful experience for any home gardener.