Light
Bright indirect • approx. 10,000–20,000 lux




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Begonia rex 'Red Heart' does exactly what the name promises, producing heart-shaped leaves in strong blood-red tones that deepen toward a black central zone and dark outer edge. The appeal of Begonia rex 'Red Heart' lies in that clarity: it does not diffuse the colour with complex marbling or heavy silver overlay, but presents one bold red statement cleanly and directly.
Because the plant stays compact and clumping, the effect is concentrated and easy to use on a shelf or tabletop where a saturated foliage accent is needed. If you want a rex begonia with obvious red impact instead of softer transitions, this one is among the clearest choices.
Light
Bright indirect • approx. 10,000–20,000 lux
Water
Water when ~25–40% dry
Substrate
Fine but airy • Moisture-buffered • Balanced • Fine
Temperature
Ideal: 18–24 °C • Avoid below: 13 °C
Humidity
Humid 60–80 % +
Growth habit
rhizomatous begonia
Support
not needed
Growth speed
Average
Max size indoors
Max. height: 30 cm • Max. spread: 40 cm
Toxicity & safety
Toxic
Origin & habitat
Cultivar of Begonia rex
These metrics are standardised reference points. We compile them by reviewing and cross-checking multiple botanical and horticultural references, then refining them through real-world growing experience. Source links: Plant Care Resources.
Please use the values as guidance. Conditions vary by home, so the same plant can respond differently. For plant-specific context, read the full product description and browse our Plant Care Guides.
Your new plant has just travelled a long way and needs a calm start in its new home. For step-by-step unboxing and first-week care, check our after-delivery care guide. For deeper tips on how your plant settles in over the next weeks, read our houseplant acclimatization guide.