How To Care For Calathea Indoors. They also dislike being dried out. How Much Water Do Calatheas Need.
The summer heat makes the soil go dry faster and the Calathea plant is a thirsty plant. Whether you are growing your Calathea indoors or outdoors prevent diseases from starting or spreading by trimming off leaves that appear damaged diseased or straggly. Indirect light Calathea plants need bright but not direct sunlight to grow.
This is because they grow on the floor of jungles and forests where they get limited light through the tops of the trees.
Your Calathea should show signs of improving health within a day. Try a mix of 50 percent potting soil 20 percent orchid bark 20 percent charcoal and 10 percent perlite. Leaves on your Calathea will get dusty from time to time. Indoors where the temperature is mostly stable and controlled you wont need to water it more than once a week during the summer and even less when the weather gets cooler.