Reverse-leaved elephant’s ear (Alocasia ‘Reversa’)

Alocasia 'Reversa' is a compact jewel Alocasia from Borneo, known for dark green leaf areas along the veins and paler margins. It is grown primarily as a warm indoor foliage plant in the United States.

A documented common name is reverse-leaved elephant's ear. Some growers also use Blue Jewel, but common naming is inconsistent, so Alocasia 'Reversa' is the clearest name to use.

Alocasia 'Reversa' is moderately challenging indoors because it needs stable warmth, bright filtered light, even moisture, and good humidity. It usually struggles when exposed to cold drafts, waterlogged soil, or repeated severe drying.

Alocasia 'Reversa' generally remains a compact, manageable houseplant, often reaching about 2 to 3 feet tall under indoor conditions. Actual size depends on light, pot size, warmth, humidity, and the plant’s age.

Give Alocasia 'Reversa' bright filtered or indirect light, with partial shade acceptable. An east- or north-facing window, or a brighter window softened by a sheer curtain, is usually safer than strong afternoon sun.

Alocasia 'Reversa' can tolerate limited gentle morning light, but prolonged or intense direct sun can scorch its sensitive leaves. Shield it from hot afternoon rays, especially through glass.

Keep Alocasia 'Reversa' warm, ideally around 65–80°F. Protect it from cold windows, drafts, sudden temperature changes, and prolonged temperatures below about 60°F, which may slow growth or trigger dormancy.

Moderate to high humidity is helpful, with roughly 50–80% often supporting better growth and leaf quality. In a dry U.S. home, use a clean humidifier and maintain airflow rather than relying on constant leaf misting.

Water Alocasia 'Reversa' when the top 1–2 inches of the potting mix feels slightly dry, then water thoroughly until excess drains away. Adjust frequency for light, temperature, pot size, and winter slowdown rather than following a fixed calendar.

Alocasia 'Reversa' prefers evenly moist soil, not soil that stays saturated. Let the surface dry slightly between waterings and never leave the pot standing in water, because poor aeration can cause root or corm rot.

Room-temperature rainwater, filtered water, or distilled water can be useful when household tap water is hard or leaves mineral deposits. Ordinary tap water may be acceptable if it does not cause buildup or repeated leaf-edge damage.

Brown leaf tips or edges usually indicate dry soil, low humidity, mineral buildup, or excess fertilizer. Check moisture and humidity first, then flush accumulated salts from the mix if drainage is good.

Drooping may result from underwatering, root damage from saturated soil, cold stress, low light, or transplant shock. Check the root zone and temperature before watering, because adding water to already-wet soil can worsen the problem.

Leaf loss can occur after cold exposure, a major light or location change, overwatering, underwatering, or seasonal dormancy. If the corm is firm and healthy, stabilize warmth, light, and moisture and wait for new growth.

Feed Alocasia 'Reversa' about monthly during active spring and summer growth using a balanced houseplant fertilizer diluted according to the label. Reduce or stop feeding when growth slows in fall and winter.

Alocasia 'Reversa' may attract spider mites, mealybugs, scale, aphids, and other common indoor plant pests. Inspect leaf undersides and stems regularly, isolate affected plants, and treat promptly with an appropriate labeled product.

Use an airy, well-drained, moisture-retentive aroid mix containing materials such as potting mix or coco coir, orchid bark, and perlite or pumice. A slightly acidic to neutral mix is suitable, but the root zone must not remain soggy.

Yes, Alocasia 'Reversa' should be planted in a container with an unobstructed drainage hole. Decorative cachepots are fine only when excess water is emptied after watering.

Repot Alocasia 'Reversa' when roots crowd the container, the mix breaks down, or the plant begins drying unusually quickly. Move it into a pot only slightly larger than the current one, usually during active growth.

Plant the corm or rhizome with the growing point oriented upward and avoid burying the crown deeply. Keeping the upper portion near the surface reduces the risk of rot while new roots and shoots develop.

Propagate Alocasia 'Reversa' mainly by separating offsets or dividing a mature clump during repotting. Each division should have viable roots or a healthy corm section and should be planted in a small, airy container.

Yes, Alocasia 'Reversa' can be grown from a viable corm, although establishment may be slow and conditions must remain warm, humid, and carefully watered. Keep the corm lightly moist, never waterlogged, until roots and a shoot develop.

Alocasia 'Reversa' does not require routine pruning. Remove individual yellow, dead, or badly damaged leaves with clean shears, cutting close to the base without injuring emerging growth.

Yes, Alocasia 'Reversa' is harmful if eaten by cats, dogs, or other pets. Its calcium oxalate crystals can cause intense mouth irritation, swelling, drooling, and difficulty swallowing, so keep it away from animals.

Alocasia 'Reversa' is harmful if ingested and its sap may irritate skin and eyes. Keep it away from children, wear gloves when handling damaged tissue, and seek medical or poison-control advice after ingestion.

Rinse the eyes immediately with clean, lukewarm water and avoid rubbing them. Seek prompt medical advice if pain, swelling, redness, or vision changes continue, especially after significant exposure.

Alocasia 'Reversa' can produce the typical Alocasia inflorescence, but flowering indoors is uncommon and usually less important than foliage growth. Mature, vigorous plants with stable warmth, light, moisture, and nutrition are the most likely to bloom.

The flower is a small arum-type inflorescence consisting of a spathe surrounding a spadix, rather than a showy flower with large petals. It may appear near the base of the plant and is often followed by berries only under suitable conditions.