Calathea (Prayer Plant) plant photo (Calathea orbifolia)
Photo: Kai Squires · CC BY 4.0
houseplant
Updated May 2026·Bolivian rainforests

Calathea (Prayer Plant)

Calathea orbifolia

Leaves perform nyctinasty — folding upward at night and opening in morning as if praying, driven by a hinged pulvinus at the leaf base.

USDA Zones
10-12 (indoor anywhere)
Sun
bright indirect light
Water
high
Mature Size
2-3 ft tall and wide
Growth Rate
moderate
Family
Marantaceae
Care guide

How to care for calathea (prayer plant)

Use distilled or rainwater only — calathea is extremely sensitive to chlorine, fluoride, and hard water minerals that cause crispy leaf edges. Maintain 50%+ humidity and never let soil fully dry out.

Garden uses & design ideas

Best garden use

Use it as a living focal point near a bright window, then repeat leaf shapes with smaller companion plants so the room feels intentional.

Pair it with

Peace lily, Boston fern, Philodendron make easy companion choices because they share similar light, water, or visual texture needs.

Layout tip

Match it with bright indirect light exposure, keep it in the same moist-bed zone as other thirsty plants, and check USDA zones 10-12 (indoor anywhere) before planting. Use the garden planner to test spacing around its mature size: 2-3 ft tall and wide.

Gardener note — Double-check local invasive, edible, and toxicity guidance with your county extension office before planting around pets, children, or natural areas.

Companion plants

Calathea (Prayer Plant) grows well alongside these — similar light, water, and texture needs.

Peace lilyBoston fernPhilodendronMonstera

Common pests & problems

spider mitesthripsfungus gnats

Where it grows best

Native to Bolivian rainforests; thrives in USDA hardiness zones 10-12 (indoor anywhere).

Frequently asked about calathea (prayer plant)

What USDA zones does Calathea (Prayer Plant) grow in?+

Calathea (Prayer Plant) is hardy in USDA zones 10-12 (indoor anywhere). Outside these zones, it can usually be grown indoors or as a seasonal annual.

How much sun does Calathea (Prayer Plant) need?+

Calathea (Prayer Plant) prefers bright indirect light. Place it where it gets that light most of the day for best growth and vigor.

How often should I water Calathea (Prayer Plant)?+

Calathea (Prayer Plant) has high water needs. Water frequently — this plant prefers reliably moist soil. Use distilled or rainwater only — calathea is extremely sensitive to chlorine, fluoride, and hard water minerals that cause crispy leaf edges. Maintain 50%+ humidity and never let soil fully dry out.

How big does Calathea (Prayer Plant) get?+

Calathea (Prayer Plant) reaches a mature size of 2-3 ft tall and wide. Growth rate is moderate, so plan spacing accordingly when planting.

What plants grow well with Calathea (Prayer Plant)?+

Calathea (Prayer Plant) pairs well with Peace lily, Boston fern, Philodendron, Monstera. These companions share similar care requirements and don't compete aggressively for resources.

What pests affect Calathea (Prayer Plant)?+

Common Calathea (Prayer Plant) problems include spider mites; thrips; fungus gnats. Catching early signs in routine inspection prevents most damage.

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