Key points for the maintenance of the lotus water environment, guidelines for lotus growth during the rainy season.

Lotus Plant Water Requirements

As a traditional aquatic ornamental plant, the lotus has unique water quality needs for its growing environment. This article will analyze the water management of lotus plants from four dimensions and focus on the precautions for maintenance during the rainy season, helping growers create a suitable aquatic environment.

Essential Elements of Aquatic Plant Maintenance

Water Purification and Circulation System

It is recommended to change 1/3 of the water volume weekly, using sun-exposed tap water. When the water body becomes turbid or algae appear, add 0.5g/m³ of activated carbon for purification.

Hydrodynamic Control

The planting area should avoid the outlet of the fountain, and for container cultivation, ensure that the water surface fluctuation is less than 3cm. A layered planting method can be adopted, with cobblestones placed at the bottom to buffer the water flow.

Intelligent Water Level Regulation

Keep the water level at 15-20cm during the seedling stage and raise it to 30-50cm during the mature plant stage. Install a water level gauge for real-time monitoring, and lower the water level by 5cm before the rainy season arrives.

Water Volume and Volume Ratio

The diameter of the container and the amount of water should follow a 1:0.8 golden ratio, for example, fill a 60cm container to 48cm, leaving a 12cm flood prevention space.

Analysis of Adaptability to Rainy Season

Mature plants can naturally metabolize rainfall when daily rainfall is less than 50mm. However, protective measures should be taken for consecutive 3 days of heavy rain: ① build a transparent rain shelter, ② temporarily move the potted plants, ③ promptly remove accumulated water after the rain. Newly transplanted lotus seedlings need to be sheltered from rain for 2 weeks, gradually exposing them to rain after the roots are stable.

By scientifically adjusting water depth, establishing a water quality monitoring mechanism, and implementing rainy season protection strategies, lotus plants can maintain their best condition at different growth stages. Regularly cleaning decayed leaves and maintaining ecological balance can ensure that the aquatic landscape continues to thrive.