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



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Begonia rex 'Fireworks' builds one of the most recognisable rex patterns around a black central star, which then opens into a broad silver field laced with dark veins and softened with lavender-pink around the edges. That repeated starburst effect gives Begonia rex 'Fireworks' enormous graphic impact on a small, bushy plant, so it reads clearly even in crowded displays.
The foliage has enough contrast to act almost like patterned fabric, making the cultivar especially useful where you want a decorative leaf plant that still looks controlled and symmetrical. It remains one of the strongest choices for anyone who wants a rex with instantly legible pattern rather than subtle tonal play.
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
High
Max size indoors
Max. height: 20 cm • Max. spread: 30 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.