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



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Begonia rex 'Magma' uses a silver-pink upper surface, dark serrated edges, and burgundy undersides to create a plant that feels warm, molten, and visibly layered even before you look closely at the venation. The leaf margins are not just dark, but also ruffled enough to keep Begonia rex 'Magma' from appearing flat or static.
Its compact rhizomatous habit makes it easy to use in smaller decorative pots, while the strong warm tones help it shift a collection away from cooler silver-heavy rex palettes. For growers who want a fiery begonia without going to pure red, 'Magma' sits in a very appealing middle zone.
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.