Alocasia macrorrhizos is a part of the Araceae family and is found across IndoMalesia and Oceania, it's not clear where, if anywhere, this species occurs truly wild. ‘Stingray’ is a cultivar that is potentially an aberrant form of Alocasia macrorrhiza.
Genus name comes from the Greek ‘a’ meaning without and ‘locasia’ meaning lotus root.
Pot: ø 12cm.
Height: Approximately 40cm from base of pot.
Light: Bright indirect light, meaning the plant sees the sun for 0-4 hours per day - this could be through trees or a translucent curtain, it’s important for the plant to see the sky in order to thrive. Alocasia can handle a few hours of direct sunlight per day.
Water: Alocasia prefer evenly moist soil, providing that the plant is receiving appropriate light, water when the top inch of mix has dried out. Before watering, aerate the potting mix with a few pokes of a skewer or blunt stick, pour water slowly over the top and allow the water to pass through the drainage holes.
Potting mix: A well draining mix composed of coco coir, perlite or vermiculite, orchid bark and worm castings.
Fertilising: Feed your plant each to every other watering during the growing season or when you observe active growth. You can dilute fertiliser to half the recommended amount but never add more.
Temperature: Ideally 18-29°C.
Humidity: Alocasia would prefer higher humidity. You can increase humidity by placing the plant on a watered pebble tray or using a humidifier.
Alocasia are toxic, keep out of reach of pets and children.
How do you care for Alocasia macrorrhizos 'Stingray'?
Care for Alocasia macrorrhizos ‘Stingray’ by keeping it well draining potting mix whilst being exposed to filtered light. Ensure the plant is kept in warm humid conditions (above 18°C ), water regularly during the growing season and feed with fertiliser every other watering.
Why is my Alocasia macrorrhizos 'Stingray'?
If your Alocasia macrorrhizos 'Stingray' plant begins to droop, it is possible that you’re not giving it the right conditions to live in. Assess the amount of water it’s being given and consider moving it to a spot with more or less light, depending on where it is placed already. You can choose to stake its stems to offer stability until it recovers.
Is the Alocasia macrorrhizos 'Stingray' plant safe for cats?
All Alocasia plants, including the Alocasia macrorrhizos 'Stingray' plant contain insoluble oxalate crystals within their leaves and stems. If the plant is ingested by either animal or person, these crystals are released as a defence mechanism and can cause irritation to both the mouth and GI tract.
Can you propagate Alocasia macrorrhizos 'Stingray'?
Alocasia macrorrhizos 'Stingray' can be propagated by division like most Alocasia. This involves cutting a piece of its rhizome (root) and potting it up in a moist potting mix. The new cutting should be kept warm and moist until new growth begins. You can cover the entire pot in a plastic bag to keep its conditions humid, but make sure it is exposed to plenty of light.
Why are my Alocasia macrorrhizos 'Stingray' leaves turning yellow?
If your Alocasia macrorrhizos 'Stingray' has yellow leaves then it’s likely that your plant is either too wet or too dry. Root or stem rot can occur when the plant has been overwatered. Brown spots or edges on leaves is a sign that the plant is not being given enough humidity. Sitting the plant on a tray of pebbles can help add some humidity, as well as using a humidifier.