Begonia Rex Problems: Causes & Quick Fixes
Quick answer
Begonia Rex is prone to 16 common issues - each link below is a plant-specific fix guide.
Begonia Rex problems
Use the guides below to diagnose and fix common issues on Begonia Rex. Each problem page explains why it happens on this species and what to do first.
Or use our problem diagnosis tool to narrow down symptoms.
Common problems on Begonia Rex
Brown Tips
MediumLikely cause: Low humidity below 40–50% - the primary chronic problem for rex begonias in typical homes.
Quick fix: Humidifier targeting 50–70% RH. Never mist leaves. Switch to filtered water.
Full fix guide →Root Rot
MediumLikely cause: Overwatering - the shallow rhizome rots quickly in persistently wet conditions.
Quick fix: Bottom water only when top 3 cm is dry. Repot in fresh draining mix if rhizome shows rot.
Full fix guide →Yellow Leaves
MediumLikely cause: Common on this plant type; confirm with recent watering, light, and root checks.
Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.
Full fix guide →Overwatering
MediumLikely cause: Common on this plant type; confirm with recent watering, light, and root checks.
Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.
Full fix guide →Underwatering
MediumLikely cause: Common on this plant type; confirm with recent watering, light, and root checks.
Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.
Full fix guide →Spider Mites
MediumLikely cause: Common on this plant type; confirm with recent watering, light, and root checks.
Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.
Full fix guide →Mealybugs
MediumLikely cause: Common on this plant type; confirm with recent watering, light, and root checks.
Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.
Full fix guide →Aphids
MediumLikely cause: Common on this plant type; confirm with recent watering, light, and root checks.
Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.
Full fix guide →Leggy Growth
MediumLikely cause: Common on this plant type; confirm with recent watering, light, and root checks.
Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.
Full fix guide →Slow Growth
MediumLikely cause: Common on this plant type; confirm with recent watering, light, and root checks.
Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.
Full fix guide →Wilting
MediumLikely cause: Common on this plant type; confirm with recent watering, light, and root checks.
Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.
Full fix guide →Drooping Leaves
MediumLikely cause: Common on this plant type; confirm with recent watering, light, and root checks.
Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.
Full fix guide →Low Humidity
MediumLikely cause: Common on this plant type; confirm with recent watering, light, and root checks.
Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.
Full fix guide →Not Enough Light
MediumLikely cause: Common on this plant type; confirm with recent watering, light, and root checks.
Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.
Full fix guide →Fungus Gnats
MediumLikely cause: Common on this plant type; confirm with recent watering, light, and root checks.
Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.
Full fix guide →Mold on Soil
MediumLikely cause: Common on this plant type; confirm with recent watering, light, and root checks.
Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.
Full fix guide →