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



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Begonia rex 'Sardanna' is a high-contrast cultivar with deep inky centres and veins that fade outward into silver and pink before meeting darker margins, so the leaf seems to glow from within and darken at the edges. That layered transition gives Begonia rex 'Sardanna' a distinctly three-dimensional look, especially once several leaves overlap into a compact mound.
It is ornamental without becoming messy, because the broad blades and clear zoning keep the effect controlled. For growers who like rex begonias with theatrical colour but still want the pattern to feel deliberate and polished, this cultivar offers plenty of impact in a very manageable size.
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: 35 cm • Max. spread: 45 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.