Alocasia Amazonica Polly Care: The Complete Indoor Growing Guide

Alocasia × amazonica ‘Polly’ grows best in bright, indirect light, evenly moist but well-drained soil, high humidity, and temperatures of 60–85°F.

A dark green spearhead leaf catches a cold draft in February and the whole plant sulks for weeks. That is the reality of growing an African mask plant indoors: the leaves look exotic, the requirements are narrow, and most failures trace back to one of three mistakes. Get light, drainage, and winter water right and Alocasia × amazonica ‘Polly’ is a reliable, compact houseplant that stays near two feet tall and wide.

Light: Bright Indirect, Never Harsh Sun

‘Polly’ needs bright, indirect or filtered light, and direct summer sun that hits the leaves will scorch them.

Place the pot a few feet back from a south or east window, or behind a sheer curtain where sun never lands directly on the leaf surface. Lower light is tolerated, but growth slows and new leaves come out smaller. Pale, washed-out foliage usually means too much sun; a plant that leans hard toward the glass is asking for more. Keep the pot clear of heating vents and drafty doors, since cold air does as much damage as a hot windowsill.

Water, Soil, And The Winter Slowdown

From spring through autumn, water regularly so the mix stays moist but never waterlogged, and cut back hard in winter.

• Use a container with drainage holes and empty the saucer — standing water is the fastest route to root rot.
• Pot in a moisture-retentive, well-drained mix such as peat-free houseplant compost cut with horticultural grit.
• Keep the pot modest: an oversized container holds excess moisture far longer than the roots can use it.
• Repot in spring only when roots crowd the pot, stepping up the diameter by roughly 2 inches at a time.

Cooler, dimmer winter conditions can push the plant into dormancy, and leaf loss at that point is normal rather than a sign of death. While dormant, the Royal Horticultural Society’s guidance for ‘Polly’ is light watering only once the top inch of soil has dried. The corm may send up fresh growth when warmth, light, and moisture return. Anyone weighing a repot, a compost swap, or a new pot for a struggling plant will find practical options in this roundup of Alocasia Polly growing supplies.

Temperature, Humidity, And Feeding

Dry indoor air is the quiet culprit behind browning leaf edges and stalled growth. A tray of moist gravel under the pot works well, and a warm, humid bathroom suits the plant if it gets enough light.

Feed with a general liquid fertilizer every two to four weeks from spring through autumn — RHS pages list both intervals — and stop entirely during dormancy, when the plant neither grows nor drinks much.

What Causes The Most Damage?

The most common killer is winter overwatering, followed by direct sun and dry air — three problems that all show up on the leaves first.

Soggy soil in a dormant pot invites root rot, which typically appears as yellowing lower leaves and a soft, dark base. Move the plant to brighter indirect light, let the mix dry further between waterings, and check the drainage holes. Scorched leaves develop bleached patches on the sun-facing side; shift the pot back from the window rather than cutting the damaged leaf, which still feeds the corm. Crisp brown edges point to low humidity. Note that container-grown ‘Polly’ rarely flowers indoors, so foliage is the whole show.