Aglaonema 'White joy'

Background of Aglaonema ‘White Joy’

‘White Joy’ is a horticultural cultivar within the cultivated Chinese-evergreen group. Wild Aglaonema species are native across tropical and subtropical Asia, extending to New Guinea.

Care for Aglaonema ‘White Joy’

• Light: Bright indirect light gives the pale leaves useful illumination without the burn risk of strong direct sun. Watch the whitest sections first, as damage can show there quickly.
• Water: Let the upper third or so of the substrate dry before watering again, then rewet the root ball evenly and let the pot drain completely.
• Substrate and temperature: Use an airy, moisture-buffering mix and keep conditions warm and stable, ideally around 18–24 °C. Avoid cold glass, draughts and temperatures below about 15 °C.
• Feeding and repotting: Feed modestly only during active growth and when the root system is healthy. Repot once roots have filled the current container, moving up only one modest pot size.

Common issues with Aglaonema ‘White Joy’

• Scorch on white tissue: Crisp tan or beige marks on the most exposed white areas are often scorch. Move the plant out of direct rays and judge recovery from later leaves; existing pale tissue will not regain its original colour.
• Yellowing in wet mix: Several yellowing leaves with a root ball that stays wet for days point toward root stress. Allow more drying and make sure the drainage path is open. If yellowing continues or the base becomes soft, unpot the plant and examine the roots. Keep firm tissue, remove only confirmed decay and use fresh airy substrate when rot is present.
• Brown tips: Brown tips or narrow dry edges can follow repeated full drying or fertiliser-salt build-up. Re-establish a steadier moisture pattern and flush the substrate thoroughly with plain water if salts are likely.
• Spider mites or mealybugs: The stable high-contrast variegation is held within the leaf tissue. Fine pale stippling with webbing indicates spider mites, and cottony or waxy material indicates mealybugs. If you confirm spider mites or mealybugs, isolate the plant, rinse the foliage and apply a houseplant treatment labelled for the confirmed pest to both leaf surfaces and the petiole bases. Repeat it at the intervals stated on the label for the full course.

Aglaonema ‘White joy’ is toxic to people and pets

• Keep this plant away from children, cats and dogs.
• Its leaves and stems contain insoluble calcium oxalate crystals, which can irritate the mouth, throat, skin and eyes.
• Chewing may cause burning pain, drooling, swelling, vomiting or difficulty swallowing. Contact a veterinarian or medical professional after exposure, especially if swelling or breathing problems occur.

Why is it called Aglaonema?

Aglaonema combines Greek aglaos, meaning shining or splendid, with nema, meaning thread or filament.

Heinrich Wilhelm Schott established the genus Aglaonema in 1829 in Wiener Zeitschrift für Kunst, Literatur, Theater und Mode, volume 1829, page 892.