GardenWizzPlant Care Card
Imperial Begonia
Begonia imperialis
Hardiness
None Not rated by RHS (to None)
Height × Spread
30–60 cm × —
Soil
well-drained growing medium that is neither constantly wet nor allowed to dry out completely
Toxicity
potentially toxic in large quantities due to the prevalence of oxalic acid
The Gardening Year
Watch out for
Vine Weevil: Apply nematodes to soil in autumn or use systemic insecticides.
Powdery Mildew: Improve air circulation and treat with a sulphur-based fungicide.
Slugs and Snails: Use iron phosphate pellets or beer traps to reduce populations.
Root Rot: Ensure well-draining compost and avoid overwatering.