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




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Dieffenbachia seguine 'Green Magic', also sold as 'Sterling', strips the genus back to deep green leaves marked by a single clean silvery-white midrib. The effect is graphic rather than busy, and the plant stays relatively controlled at about 60–80 cm tall and 40–60 cm wide in a tight upright clump.
Bright indirect light is ideal, though moderate light is tolerated, and the mix should be watered only after the top 2–3 cm have dried. A loose substrate with compost and perlite, temperatures of 18–28 °C, and moderate humidity around 50–70% keep it moving steadily. Monthly feeding during active growth helps maintain new foliage, while stem cuttings, division, and semi-hydro adaptation are supported in the source. Like other Dieffenbachia, it contains calcium oxalate.
Quick Care Guide
Light
Bright indirect • approx. 10,000–20,000 lux
Watering
Water when ~30–50% dry
Substrate
Aerated • Moisture-buffered • Balanced organic + mineral • Medium
Temperature
Ideal: 18–27 °C • Avoid below: 15 °C
Humidity
Moist 50–60 %
Growth habit
upright subshrub
Support
not needed
Growth speed
Average
Max size indoors
Max. height: 150 cm • Max. spread: 120 cm
Toxicity & safety
Toxic
Origin & habitat
Cultivar of Dieffenbachia seguine
These care values are practical reference points for indoor growing. Use them as a starting point, then adjust for your room, pot size, substrate, temperature and how quickly the plant dries.
For more context, read the full product description or visit our Plant Care Guides.
Move outside once nights stay above
16°C
Bring under cover below
14°C
Best outdoors in
Warm summer patio, Sheltered urban spot