Prayer Plant Care

A Beginner's Guide to Prayer Plant Care

Prayer Plant Care

Family: Marantaceae
Common Names: Calathea, Prayer Plants, Cathedral Plants, Peacock Plants, Zebra Plants, Rattlesnake Plants, Stromanthe, Ctenanthe
Botanical Names: (see available varieties below)

Don’t let anyone tell you that plants don’t move. This family of houseplants gets its name ‘Prayer’ because light changes will cause the leaves to rise upwards like two hands praying (try filming a time lapse of your Prayer Plant in the evening and see how the leaves dance!). If you want to get technical, the process is called “nyctinasty” -- the flow of water regulating the leaves’ movement to best capture the sun’s energy. Truth be told, this family of indoor plants requires a little more attention and love than their tougher house plant companions. However, you will find that these beautiful potted plants are well worth the extra doting. When caring for Calatheas, Marantas Stromanthe and Ctenanthe, the most important considerations are humidity and access to mineral and chemical-free water. Brown leaf edges are usually an indication that the water has either a high salt, chlorine, chloramine, bromide, or fluoride content. The old trick of letting the water sit overnight so the chemicals can evaporate no longer works because most municipalities add chloramine to public water, and chloramine doesn’t evaporate. A lack of humidity will also cause the leaf edges to turn brown. Tropical plants will always be happier when they can access moisture from the air.

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The Calathea, Maranta Stromanthe and Ctenanthe genus will do moderately well in moderately low light, but they prefer to be in medium to bright indirect light. Avoid direct sunlight as this will fade the plant’s color and burn the leaves. Plants that have more colorful leaves will benefit from having more filtered bright light.


Water these indoor plants when one inch of soil is dry. At that point, water thoroughly and make sure there is adequate drainage. Use filtered water whenever possible, and make sure your plant is not left in standing water!


The optimal temperature for this family of houseplants is 65-85℉. Don’t place them near drafty windows or doors in the colder months.


Calathea, Maranta, Stromanthe and Ctenanthe love humidity, and you’ll quickly notice the edges of the leaves browning if the air is too dry. If the air is too dry, a humidifier is the most effective way to raise the moisture level in your home. If you don’t have a humidifier, group your plants together, or place them atop a tray of pebbles and water.


Fertilize them during the growing season (spring through summer). You can use a wide range of fertilizers, like fish or seaweed emulsion, compost-like worm castings, or a complete liquid fertilizer. We recommend diluting all liquid fertilizers to ½ strength. If your plant already has a slow-release fertilizer in the soil, either applied by you or the grower, then it’s not necessary to fertilize for 5-6 months.

Pro Tips

  1. Group them together in clumps so they help each other increase humidity. If this doesn’t provide enough humidity, then purchase a humidifier.
  2. They don’t like water with chemicals, so use filtered, distilled, or rain water if your tap water is chemically treated.
  3. Why not have your tap water tested for chemicals and minerals? If your results come back negative, then it’s a reason to celebrate!

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