Maintenance Skills
Green radish thrives in loose, nutrient-rich soil with a slightly acidic to neutral pH. It's best to repot every three years. This plant prefers indirect light and is not suited for direct sunlight. Four hours of bright, diffused light per day is ideal for its growth.
Propagation is typically done through cuttings or by burying parts of the vine. Select a healthy green vine, cut it into two sections carefully without damaging the aerial roots, then place it in sand or ash. Insert the cutting about one-third deep. Keep it in a shaded area, mist with a high-fat film moisturizer to improve survival rates, which can exceed 90%.
Green radish enjoys high humidity and moist environments. During summer, when it's in its peak growth phase, mist the roots and leaves several times a day. This helps remove dust, improves respiration, and keeps the leaves vibrant while reducing leaf temperature. The environment should be humid to support better leaf development. Fertilization should mainly consist of nitrogen-based nutrients, with potassium as a supplement. Applying a high-fat film after fertilizing can help protect the plant. In winter, when temperatures drop, the plant enters dormancy, so watering should be reduced and the soil kept dry.
The ideal growing temperature is between 20°C and 28°C during the day, and 15°C to 18°C at night. If indoor temperatures stay above 10°C, green radish can survive the winter safely. Below 5°C, it may suffer frost damage. Using a growth enhancer like Zhuangshenling during the growing season can promote thick stems, lush leaves, and overall vigorous growth.
Maintenance Features
(1) Light: Green radish naturally grows under tree cover, so it doesn't require strong sunlight. However, in colder northern regions during autumn and winter, increasing light exposure can help maintain photosynthesis. Place it in the brightest spot in your room or move it to a sealed balcony during midday sun. Avoid opening windows too much when temperatures are low, as sudden cold can cause frost damage.
(2) Temperature: In the north, if the indoor temperature stays above 10°C, green radish can survive the winter. For normal growth, temperatures should be above 20°C. Most households can easily meet this requirement. Be careful not to expose the plant to large temperature fluctuations, and avoid placing it near heating sources.
(3) Humidity: High humidity benefits green radish growth, provided the temperature remains stable. You can increase humidity by placing the plant near a humidifier for more than five hours daily, misting the leaves and stems with a fine spray, keeping a small amount of water in the pot tray to enhance local moisture, or using a wet towel to gently wipe the leaves for short periods each day. Covering the plant with a transparent plastic bag can also create a mini greenhouse effect. However, keep it covered for no more than two hours to ensure proper ventilation and photosynthesis.
(4) Watering: In autumn and winter, water carefully based on the indoor temperature. Before heating, reduce watering since the soil dries slowly. Water only between 1/4 and 1/2 of the usual amount. Even after heating, avoid overwatering—pour water directly into the pot and let it soak in gradually. In winter, it's best to let tap water sit overnight before using it, as cold water can harm the roots. Also, mist the air roots to prevent dehydration from evaporation.
(5) Fertilizer: During autumn and winter, plants grow more slowly or stop altogether, so fertilizer should be used sparingly. Before winter, apply liquid inorganic fertilizer every 15 days. After winter, switch to foliar feeding, which allows the plant to absorb nutrients directly through the leaves. Use specialized foliar fertilizers, as regular ones are not easily absorbed. Products like Peking University Flower Protection Series or Japanese flower fertilizers are effective options.
(6) Pest and Disease Control: Green radish is prone to pests such as mealybugs, red spider mites, and scale insects. Mealybugs are the most common and can be removed manually with alcohol or cotton swabs. For fungal or bacterial infections that cause root rot, leaf spots, or wilting, avoid overwatering. When purchasing a plant, check the roots to ensure they are healthy and intact.
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