coronavirus
Leaf Spot in Dieffenbachia
How to identify and treat leaf spot in Dieffenbachia.
potted_plant
Dieffenbachia care requirements
water
Water when top 1–2 inches of soil dry out. Keep soil moderately moist during growing season. Reduce watering in winter. Use room-temperature water. Overwatering causes root rot.
soil
Use general-purpose, well-draining potting mix. Dieffenbachias are not fussy but benefit from soil rich in organic matter.
light
Tolerates low to bright indirect light but grows best in medium to bright, filtered light. Variegated varieties need more light to maintain coloration. Avoid direct sun which can fade colors.
symptoms
Symptoms to look for in Dieffenbachia
- fiber_manual_recordCircular brown or black spots
- fiber_manual_recordYellow halos around spots
- fiber_manual_recordPremature defoliation
help
Common causes in Dieffenbachia
Multiple fungal and bacterial pathogens. Favoured by wet foliage and warm temperatures.
healing
How to treat leaf spot in Dieffenbachia
Remove affected leaves. Apply appropriate fungicide or bactericide.
shield
Preventing leaf spot in Dieffenbachia
Water at soil level. Improve air circulation. Practise crop rotation.