How to grow Dieffenbachia
Dieffenbachia is a common indoor foliage plant that is loved by people for its colorful leaves and evergreen color all year round. If you want to grow Dieffenbachia well, you need to understand its growth habits and maintenance points. The following are the care methods and precautions for Dieffenbachia.
1. Basic information about Dieffenbachia mosaic

| Chinese name | Dieffenbachia mosaic |
| scientific name | Dieffenbachia |
| Family | Araceae Dieffenbachia |
| Origin | tropical america |
| suitable temperature | 18-28℃ |
| Lighting requirements | Scattered light, avoid direct exposure to strong light |
2. Main points of maintenance of Dieffenbachia
1. Lighting
Dieffenbachia likes bright scattered light, but it cannot be exposed to strong light for a long time, otherwise the leaves will be easily burned. Proper shading is required in summer, and it can be placed near a windowsill with better light in winter.
2. watering
Dieffenbachia prefers a humid environment, but avoids stagnant water. Watering should follow the principle of "see dry, see wet" and keep the soil slightly moist. Watering frequency can be appropriately increased in summer and reduced in winter.
| season | Watering frequency |
| spring | 1-2 times a week |
| summer | 2-3 times a week |
| autumn | 1-2 times a week |
| winter | Once every 10 days or so |
3. Soil
Dieffenbachia prefers loose, breathable, well-drained soil. You can use leaf humus soil, peat soil and perlite mixed in a ratio of 1:1:1, or purchase general-purpose nutrient soil directly.
4. Fertilize
Apply diluted compound fertilizer or organic fertilizer once a month during the growing season (spring and summer), and reduce the frequency of fertilization in autumn and winter. Be careful to avoid over-fertilizing, otherwise the leaves may turn yellow.
| Fertilizer type | Frequency of use |
| Compound fertilizer | Once a month (spring and summer) |
| organic fertilizer | Once every 2 months |
5. Temperature and humidity
The suitable growth temperature of Dieffenbachia is 18-28℃, and the indoor temperature needs to be kept above 10℃ in winter. It likes high air humidity. In summer, you can often spray water on the leaves or use a humidifier to increase the humidity.
3. Common problems and solutions
1. Leaves turn yellow
It may be caused by overwatering or insufficient light. Check the soil for water accumulation, adjust watering frequency, and move the plant to a location with better light.
2. Dry edges of leaves
This is usually due to low air humidity or excessive fertilization. Increase the frequency of water spraying and reduce the amount of fertilizer.
3. Pests and diseases
Dieffenbachia is susceptible to spider mites and scale insects. When an insect infestation is found, you can use a cotton swab dipped in alcohol to wipe the leaves, or spray a special insecticide.
| pests and diseases | Solution |
| Starscream | Spray water or use insecticide |
| scale insect | Alcohol wiping or manual removal |
| leaf spot disease | Cut off diseased leaves and spray fungicides |
4. Reproduction methods
Dieffenbachia can be propagated by cuttings or divisions. When cutting, choose healthy stem segments, insert them into moist soil, keep them warm and moist, and they will take root in about 2-3 weeks.
5. Things to note
The juice of Dieffenbachia is slightly toxic, so avoid direct contact with the skin or accidental ingestion during maintenance. It is recommended to wear gloves when pruning or repotting.
Through the above methods, you can easily grow healthy and lush Dieffenbachia, adding a bright color to your home!
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