What to do if the Calla Lily has pests
As an elegant indoor ornamental plant, the Calla Lily is often affected by pests such as aphids and red spiders, which can impact its growth. This article will systematically explain the complete solution from detecting pests to completely eradicating them, helping you quickly save your beloved Calla Lily.
I. Identification and Emergency Treatment of Calla Lily Pests
1.1 Common Types of Pests
The appearance of white spider web-like substances on the back of leaves indicates red spider infestation, curled new buds are often caused by aphid aggregation, and black small insects on the soil surface may be thrips larvae.
1.2 Emergency Treatment Steps
Immediately move the affected plant to a well-ventilated area for isolation, use a soft-bristle brush to remove visible pests, and spray clean water to rinse the eggs on the back of the leaves.
II. Detailed Explanation of 5 Natural Control Methods
2.1 Garlic Repellent Method
Crush 250 grams of purple-skinned garlic and dilute it 10-20 times, which can be sprayed on the leaves and also watered into the potting soil, effectively controlling common pests such as nematodes and aphids.
2.2 Chili Water Formula
Soak 50 grams of dried chili peppers in 1500ml of water for 24 hours, filter it, and then add 3ml of dishwashing liquid, which can achieve a control rate of red spiders of 85% or more.
2.3 Wormwood Insecticide
Boil fresh wormwood at a 1:8 ratio, cool it down, and water once a week, which can kill underground pests and prevent root rot disease.
III. Advanced Protective Measures
3.1 Environmental Control
Maintaining a humidity of 40-60% can inhibit the reproduction of red spiders, and regularly rotating the pot ensures even light exposure.
3.2 Biological Control
Introduce beneficial insects such as ladybugs to establish an ecological balance, and use biological preparations such as Bacillus thuringiensis for prevention.
By using the above comprehensive control methods, along with monthly preventive treatments, the Calla Lily can maintain a healthy state throughout the year. It is recommended to alternate between different methods to prevent pests from developing resistance.