Plant care
Alocasia Stingray (Stingray Alocasia) care
Alocasia macrorrhiza 'Stingray'
Also called Alocasia Stingray, Stingray Alocasia, Stingray Elephant Ear.
Watering rhythm
5-9days
Roughly every 5-9 days in spring and summer; reduce to about every 2-3 weeks in winter.
Light
Bright indirect light (just back from a sunny window)
Soil
Light, airy, fast-draining aroid mix
Humidity
60% or higher (tolerates 40-70%)
Temp
18-30 C (avoid below 13 C)
Pet safety
Toxic to pets
Mature size
Typically around 0.6-1 m (2-3 ft) tall and up to 0.5 m (about 1.5 ft) wide indoors
Care at a glance
Light
In the wild alocasia stingray grows on the bright edge of a forest canopy, not in the canopy and not in the open. Indoors, that translates to within a metre of an unobstructed window, sheer curtain optional. Bright, indirect light for roughly 6 or more hours a day; an east- or west-facing window or a few feet back from a bright south window is ideal. Avoid prolonged direct midday sun, which scorches the distinctive leaves. Too little light causes weak, leggy stems and stalled growth. The fastest test: a hand held at the leaf casts a soft-edged shadow at noon — sharp shadow means too much sun, no shadow means too little light.
Watering
Alocasia Stingray watering is mostly about restraint. Roughly every 5-9 days in spring and summer; reduce to about every 2-3 weeks in winter. — and never on a schedule. The finger test (or the pot-lift test) catches the actual moisture state; a calendar assumes weather and light don't change. Water when the top third (about 1.5-2 in / 4-5 cm) of soil has dried, then water thoroughly until it drains freely. Use tepid, filtered or rainwater where possible. Never let the corm sit in standing water; soggy soil rapidly causes root rot and yellowing leaves.
Soil and pot
Alocasia Stingray grows best in light, airy, fast-draining aroid mix. Use a chunky, well-aerated mix such as houseplant or aroid potting soil amended with orchid bark, perlite and coir. Good drainage is essential because the corm is rot-prone. Always pot into a container with drainage holes. A pot with a working drainage hole is non-negotiable for this species — even free-draining mix will turn soggy in a closed planter. If you love the look of a decorative pot without a hole, use it as a cachepot around an inner nursery pot you can lift out to water.
Humidity and temperature
Alocasia Stingray sits happiest at around 60% or higher (tolerates 40-70%) humidity and 18-30 C (avoid below 13 C) (64-86 F (avoid below 55 F)). Thrives in consistently high humidity above 60%; brown, crispy leaf tips and edges are a classic sign of air that is too dry, especially when central heating is running. A humidity tray, grouping with other plants, or a humidifier helps. Bright bathrooms and kitchens suit it well. If you keep the room above 18 year-round and avoid placing the plant near a cold draught, a hot radiator, or an air-conditioning vent, you have already handled the two biggest indoor stressors.
Fertilising
Feed alocasia stingray sparingly. Feed with a balanced, diluted houseplant fertiliser roughly every fourth watering during the spring-summer growing season, tapering to about every sixth watering in autumn and stopping in winter. Do not over-feed, as salt buildup can scorch roots and leaf edges. Skip fertiliser entirely on a stressed, recently-repotted, or actively wilting plant — fertiliser salts make damage worse, not better. Wait for a round of healthy new growth before resuming a feeding rhythm.
Common problems
Below are the issues we see most often on alocasia stingray in the Growli community. Each is annotated with the most common cause so you know where to start.
- Brown, crispy leaf tips and edges — Almost always low humidity or inconsistent watering. Raise humidity above 60% with a tray or humidifier and keep the soil evenly moist (not wet).
- Yellowing leaves — Usually overwatering or a waterlogged corm; let the top third of the mix dry between waterings and ensure the pot drains freely. Note that occasional yellowing of the oldest lower leaf is normal aging.
- Drooping or weak, leggy stems — Often too little light or erratic watering. Move to a brighter spot with bright indirect light and water on a more consistent schedule.
- Spider mites — Tiny webbing and fine stippling on leaves, encouraged by dry air. Wipe foliage, raise humidity, and treat with insecticidal soap or neem oil; isolate the plant while treating.
- Mealybugs — White cottony clusters in leaf joints and undersides. Dab with isopropyl alcohol on a cotton swab and follow up with insecticidal soap or neem until clear.
- Sudden leaf drop / winter dormancy — Alocasias can drop leaves or go semi-dormant in cool, low-light winter conditions. Reduce watering, keep the corm warm and barely moist, and growth typically resumes in spring.
Propagation
Propagate by division of the underground corms/offsets in spring or early summer: unpot, gently separate the small cormels or rooted pups from the parent, and pot them into a moist, airy aroid mix (some growers root cormels in shallow water first, then pot). Seed propagation is possible but slow and uncommon. Propagation is the cheapest, most satisfying way to expand a collection — and it doubles as insurance against losing a mature plant to an accident. Take a backup cutting once the parent is established and healthy.
Toxicity to pets
Alocasia Stingray is toxic to pets. The ASPCA lists Alocasia (Elephant's Ear, Alocasia spp.) as toxic to dogs, cats, and horses; the toxic principle is insoluble calcium oxalate crystals. Chewing or ingesting any part can cause intense oral irritation, drooling, mouth and tongue swelling, vomiting, and difficulty swallowing. Keep it out of reach of pets and children, and contact a vet or ASPCA Poison Control (888-426-4435) if ingestion is suspected. If you keep cats, dogs, or curious children in the house, weigh placement carefully — a high shelf or a hanging planter is enough for casual safety. For severe ingestion incidents, call your local vet and the ASPCA Animal Poison Control Center (in the US, 888-426-4435).
Pet-safety status is sourced from the ASPCA Toxic and Non-Toxic Plant List, which catalogues the most-asked-about plants for cats, dogs, and horses.
Alocasia Stingray care — frequently asked questions
What is the common name for Alocasia macrorrhiza 'Stingray'?
Alocasia macrorrhiza 'Stingray' is most commonly called Alocasia Stingray, but it is also known as Alocasia Stingray, Stingray Alocasia, Stingray Elephant Ear. The names refer to the same species, so care instructions for Alocasia Stingray apply identically to anything sold as Stingray Alocasia.
How much light does alocasia stingray need?
Alocasia Stingray grows best in bright indirect light (just back from a sunny window). Bright, indirect light for roughly 6 or more hours a day; an east- or west-facing window or a few feet back from a bright south window is ideal. Avoid prolonged direct midday sun, which scorches the distinctive leaves. Too little light causes weak, leggy stems and stalled growth.
How often should I water alocasia stingray?
Water alocasia stingray roughly every 5-9 days in spring and summer; reduce to about every 2-3 weeks in winter.. Water when the top third (about 1.5-2 in / 4-5 cm) of soil has dried, then water thoroughly until it drains freely. Use tepid, filtered or rainwater where possible. Never let the corm sit in standing water; soggy soil rapidly causes root rot and yellowing leaves. The finger-test (or lifting the pot to feel its weight) beats a fixed weekly calendar because pot size, light, and season all change how fast the soil dries.
Is alocasia stingray toxic to cats and dogs?
Alocasia Stingray is toxic to pets. The ASPCA lists Alocasia (Elephant's Ear, Alocasia spp.) as toxic to dogs, cats, and horses; the toxic principle is insoluble calcium oxalate crystals. Chewing or ingesting any part can cause intense oral irritation, drooling, mouth and tongue swelling, vomiting, and difficulty swallowing. Keep it out of reach of pets and children, and contact a vet or ASPCA Poison Control (888-426-4435) if ingestion is suspected.
What USDA hardiness zone does alocasia stingray grow in?
Alocasia Stingray is rated for USDA zone USDA zones 9b-11 outdoors; grown as a houseplant elsewhere. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.
Alocasia Stingray deep-dive guides
Every aspect of alocasia stingray care, each with its own calibrated guide:
- Alocasia Stingray watering schedule
- Alocasia Stingray light requirements
- Best soil mix for alocasia stingray
- Alocasia Stingray fertilizing guide
- When to repot alocasia stingray
- How to propagate alocasia stingray
- Alocasia Stingray growth rate & size
- Alocasia Stingray cold hardiness
- Alocasia Stingray temperature & humidity
- Is alocasia stingray toxic to cats & dogs?
Related guides
Alocasia Stingray is also known as Alocasia Stingray, Stingray Alocasia, and Stingray Elephant Ear.