Known for their unique and sculptural leaves, they bring a tropical touch to your indoor green space. They demand a bit more care than some other houseplants, but their impressive appearance makes the extra effort worthwhile.
|Bright, indirect light
|Water when the top 1-2 inches of soil is dry
|High, above 60%
|Well-draining, rich, and slightly acidic
Due to their large, dramatic leaves, Alocasias are perfect as a centerpiece or background plant in a larger terrarium. They thrive in tropical terrariums due to their need for high humidity, warm temperatures, and indirect light.
Detailed Care Instructions
Light: Alocasias prefer bright, indirect light. An eastern or northern exposure window is usually ideal. Direct sunlight can cause the leaves to scorch.
Water: Water your Alocasia when the top 1-2 inches of soil is dry. Make sure the water drains well to prevent root rot. Overwatering can cause the leaves to yellow and wilt.
Soil and Fertilizer: Alocasias prefer a well-draining but moisture-retaining soil, rich in organic matter. A mixture of peat, perlite, and compost works well. They like slightly acidic soil with a pH between 5.5 and 6.5. Fertilize biweekly during the growing season (spring and summer) with a balanced, water-soluble fertilizer.
Pruning and Repotting: Prune off any yellow or brown leaves to keep your Alocasia looking its best. Repot every couple of years in spring as the plant outgrows its container, or to refresh the soil.
Troubleshooting Common Problems
Alocasias can suffer from common houseplant pests like spider mites, mealybugs, and aphids. These can be treated with insecticidal soap. Brown leaf tips may indicate low humidity, while yellowing leaves may suggest overwatering.
Alocasias are typically propagated by division. When repotting, gently separate the root clumps into smaller portions, each with at least one leaf, and replant them in individual pots.
This is likely due to low humidity or underwatering. Increase the frequency of misting and check your watering schedule.
Fertilizing should be done every two weeks during the growing season, spring through summer.
Yes, Alocasias often go dormant in winter and may lose leaves. Reduce watering during this time and resume regular care in spring.