Feeding Alocasias: Tips On Fertilizing Alocasia Plants


Alocasias are fantastic plants for the garden or home. Native to southeast Asia and Australia, they are used to warm temperatures year-round and must be overwintered in pots or dug up and stored as bulbs in a cool, dry place in all but the warmest climates. Regardless of how you grow them, though, fertilizing alocasia plants is essential to their healthy growth. Keep reading to learn about alocasia plant feeding and when to fertilize alocasia.
Feeding Alocasias
Alocasia plants have the potential to become enormous. If overwintered successfully for multiple years, they can reach 10 feet (3 m.) in height and produce leaves that are 3 feet (1 m.) long. The key to growing such stunning plants is fertilizer. Alocasias are very heavy feeders, and fertilizing alocasia plants frequently is the only way to keep up with their appetite. Before planting your alocasias, mix 2 pounds (1 kg.) of slow-release fertilizer per 100 square feet (9 sq. m.) of soil. Keep up regular fertilization every two to four weeks.
Fertilizer for Alocasia in Pots
Is feeding alocasias really necessary if you’re growing them indoors? Chances are you want your houseplant somewhere under 10 feet (3 m.) tall. The thing about fertilizer, however, is that it isn’t just for rapid growth. Kept in a pot, your alocasia almost certainly won’t reach its full potential size, but it still needs regular fertilization, perhaps even more so. Due to the small amount of soil in a container, nutrients can be washed away more easily. With every watering, add a little water-soluble fertilizer to keep your alocasia plants growing healthy and strong. If your alocasia’s leaves start to appear burnt, it probably means you’re applying too much fertilizer. Flush the container with plenty of clean water until it runs out of the drainage holes and cut back on your fertilizing regimen.
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The only child of a horticulturist and an English teacher, Liz Baessler was destined to become a gardening editor. She has been with Gardening Know how since 2015, and a Senior Editor since 2020. She holds a BA in English from Brandeis University and an MA in English from the University of Geneva, Switzerland. After years of gardening in containers and community garden plots, she finally has a backyard of her own, which she is systematically filling with vegetables and flowers.
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