Why are dracaenas (corn plant and marginata) dropping leaves?
Overwatering is a possibility. check the root system. These plants need a lot of humidity and they should be kept away from a heat source. They also require moderately bright light. Leaves drop from the bottom of old plants making them leggy. Could air layer and start new plant. They also require more fertilizer than most houseplants. The new leaves will rob fertilizer from the older leaves so the older leaves turn yellow then brown and drop off. 22. Q: Older leaves on ficus tree in greenhouse have brown spotches on back and leaves eventually fall off. A: Check for scale insects. If you can remove brown spots it is scale. Generally ficus looses leaves when it is moved from one location to another and there is a change from more to less light. Ficus needs bright light and plenty of water. Older plants lose old leaves as new ones come on. Ficus also have a disease called Oedema which is a nonparasitic disease. When the relationship of the plant with water are abnormal as under conditions
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