Rumplestiltskin AlocasiaGrowth Habit: Upright, can reach 3 tall and wide indoors depending on the location and pot size. Individual leaves on this plant can grow up to 10" long. Light Requirements: Bright indirect light. Toxicity: Toxic to both cats and dogs according to ASPCA. General Care: These tropical plants prefer to have moist, but not wet, soil. Water once a week, allowing top 2 of soil to dry out during winter.