Hydroponic plants are plants that grow in water rather than soil.

This cultivation method is becoming increasingly popular among gardening enthusiasts and urban dwellers because it is aesthetically pleasing, clean, and easy to manage and creates a modern and natural indoor decor atmosphere.

However, successfully caring for hydroponic plants requires some knowledge and techniques. Here are some important points to keep in mind when caring for hydroponic plants:

1. Choosing the Right Plants

The care of hydroponic plants begins with selecting suitable plants. Not all plants are ideal for hydroponics; some thrive better in water due to their root structures or growth habits. Common hydroponic plants include:

- Golden Pothos: This plant is very hardy, highly adaptable, and can survive in low light conditions, making it a great choice for beginners in hydroponics.

- English Ivy: This plant is both ornamental and adaptable to various environments.

- Lucky Bamboo: Its stem structure is suitable for growing in water and requires minimal maintenance.

- Heartleaf Philodendron: Easy to grow, shade-tolerant, and ideal for indoor cultivation.

When selecting plants, make sure their root systems are healthy and disease-free, and avoid plants with already decaying roots.

2. Using Appropriate Containers

The container is one of the key factors in the growth of hydroponic plants.

Transparent glass containers are the most common choice because they are both aesthetically pleasing and allow you to easily check water levels and root conditions. However, ceramic, plastic or other opaque materials can also be used as long as they do not negatively affect water quality.

The size of the container is also important and should be chosen based on the size of the plant's root system. A container that is too large may lead to excessive water and insufficient oxygen supply, while a container that is too small may restrict root growth. Ensure that the container is tall enough for the plant's roots to be fully submerged in water, but avoid letting the leaves come into prolonged contact with the water to prevent leaf rot.

3. Water Selection and Management

Water is fundamental to the growth of hydroponic plants, so selecting the right water source is crucial. Here are some key points for water quality management:

- Water Source: Tap water, rainwater, mineral water, or distilled water can all be used for hydroponic plants, but the ideal choice is purified tap water or natural rainwater. Hard water can negatively affect plant roots, so if using tap water, let it sit for 24 hours to allow chlorine to evaporate before use.

- Water Level Management: The water level should be maintained at two-thirds to three-quarters of the roots, avoiding levels that are too high or too low. Too much water can cause root oxygen deficiency, while too little can lead to root dehydration.

- Regular Water Changes: Change the water every two weeks to a month to prevent the growth of bacteria and algae. When changing the water, thoroughly clean the container to ensure no residue or bacteria remain.

4. Light and Temperature Control

Light is essential for photosynthesis, but hydroponic plants have different light requirements compared to soil-grown plants. In general, most hydroponic plants require indirect light or bright diffused light. Excessive direct sunlight can cause the water temperature to rise, affecting plant health.

- Light Requirements: Place the plants near a window to ensure 4-6 hours of bright, diffused light daily. If there is insufficient light, consider using a grow light.

- Temperature Control: Hydroponic plants generally adapt well to room temperature conditions, with an ideal growth temperature range of 18-24°C (64-75°F). Avoid placing the plants in areas with drastic temperature changes or near air conditioning, heating, or other equipment.

Conclusion

While caring for hydroponic plants is relatively simple, it still requires some attention and experience. By following these measures, you can enjoy the natural beauty and tranquility brought by hydroponic plants while also experiencing the joys of gardening.