Plant Care

How to Care for Calathea: The Complete Guide Calatheas are the show-stoppers of the houseplant world. With intricately patterned leaves that fold up at night and unfurl each morning — earning them the nickname "prayer plants" — these tropical beauties add living art to your home. They have a reputation for being finicky, but with the right knowledge, anyone can grow a stunning Calathea. Here's how. Calathea at a Glance Botanical Name Calathea spp. (now reclassified as Goeppertia) Common Names Calathea, Prayer Plant, Peacock Plant, Zebra Plant Plant Type Evergreen tropical perennial Mature Size 1–3 ft. tall depending on variety Light Low to medium indirect Water When top inch of soil is dry (keep consistently moist) Humidity 60–80% (minimum 50%) Temperature 65–80°F (18–27°C) Soil Rich, moisture-retentive, well-draining Toxicity Non-toxic to cats and dogs Difficulty Moderate Light Requirements Calatheas are forest-floor dwellers, naturally adapted to dappled shade beneath dense tropical canopy. This makes them excellent low-to-medium light houseplants — but it also means they're more sensitive to light extremes than many common houseplants. Medium indirect light — The ideal sweet spot. Place near a north- or east-facing window, or a few feet back from a brighter window with a sheer curtain. Low light — Calatheas handle low light quite well. Growth slows, but the plant maintains its stunning leaf patterns. They make beautiful bedroom plants. Bright indirect light — Acceptable if filtered, but watch for signs of stress (leaf curling, fading patterns). Direct sunlight — Absolutely avoid. Even brief direct sun can bleach patterns and scorch leaves permanently. Calathea leaves are thin and delicate — they lack the waxy coating that protects plants like Pothos from sun damage. Night-time magic: Calatheas are nyctinastic — their leaves fold upward at dusk and unfurl at dawn, following a circadian rhythm. You'll hear them gently rustling as they move. This fascinating behavior is one reason plant lovers become so attached to their Calatheas. Watering Watering is where Calathea care diverges from most beginner houseplants. While Pothos and Philodendron prefer to dry out between waterings, Calatheas want their soil to stay consistently moist — but never waterlogged. Think of a wrung-out sponge: damp, not dripping. How to water: Water when the top inch of soil feels dry. Water evenly around the pot until it drains from the bottom. Never let the soil completely dry out, but also never let the pot sit in standing water. Spring/Summer: Water every 5–7 days, checking soil frequently Fall/Winter: Every 7–10 days (growth slows, so soil dries more slowly) Signs of underwatering: Curling leaves, crispy brown edges, leaves that won't unfurl in the morning Signs of overwatering: Yellow leaves, limp stems, mushy base, root rot Critical water quality tip: Calatheas are very sensitive to minerals in tap water — fluoride, chlorine, and hard-water minerals cause brown tips and edges. Use filtered water, distilled water, or rainwater for best results. If you must use tap water, let it sit out overnight to off-gas chlorine (though this doesn't remove fluoride). Humidity This is the make-or-break factor for Calathea care. These plants evolved in tropical rainforests with 60–80% humidity — far higher than most homes provide. Insufficient humidity is the number-one reason Calatheas develop crispy brown edges. How to provide adequate humidity: Humidifier — The most reliable method. A small cool-mist humidifier near your Calathea makes the biggest difference. Aim for 60%+ humidity in the plant's immediate area. Bathroom placement — If your bathroom has a window for light, it's often the best room for Calatheas. Daily showers naturally raise humidity. Pebble tray — Set the pot on a tray of pebbles and water. As the water evaporates, it raises humidity around the plant. Grouping — Cluster Calatheas with other humidity-loving plants. Each plant transpires moisture, creating a shared humidity pocket. Terrariums/glass cloches — For smaller Calatheas, enclosed or semi-enclosed glass environments maintain excellent humidity. Misting alone isn't enough for Calatheas. It provides a temporary spike but doesn't sustain the consistent humidity these plants crave. If you only do one thing, invest in a humidifier. Temperature Calatheas prefer stable warmth — 65–80°F (18–27°C). They're particularly sensitive to temperature fluctuations and cold drafts. Keep away from cold windows, exterior doors, and air conditioning vents Avoid placing on windowsills during winter (glass gets cold at night) Temperatures below 60°F (15°C) cause leaf curling and stunted growth Never expose to temperatures below 55°F (13°C) — cold damage is often irreversible Soil Calatheas need soil that stays moist but not soggy. This means good water retention combined with adequate drainage — a trickier balance than most houseplants require. Recommended soil mix: 2 parts peat moss or coco coir (moisture retention) 1 part perlite (drainage and aeration) 1 part compost or worm castings (nutrients) Optional: a small amount of orchid bark for additional aeration Avoid soil mixes heavy in bark or that drain too rapidly — Calatheas don't want their roots drying out between waterings. Repot every 1–2 years in spring. Fertilizing Growing season (spring–summer): Feed monthly with a balanced liquid fertilizer at quarter to half strength. Calatheas have sensitive roots — less is more. Fall/Winter: Stop fertilizing entirely Organic options: Worm castings mixed into the soil or compost tea provide gentle, slow-release nutrition that won't burn sensitive roots Warning signs of over-fertilizing: Brown leaf tips, salt crust on soil, stunted new growth Propagation Calatheas are propagated by division during repotting — they cannot be propagated from leaf or stem cuttings like vining plants. How to Divide a Calathea Wait until spring, when the plant is entering its active growth phase Water the plant thoroughly the day before dividing (moist roots are easier to separate) Remove from the pot and gently shake away excess soil Identify natural clusters — groups of stems with their own root systems Gently pull or cut apart, ensuring each division has at least 2–3 stems and healthy roots Plant each division in a fresh pot with moist potting mix Provide extra humidity and warmth while new roots establish (2–4 weeks) Avoid fertilizing for 6 weeks after division Division can be stressful for Calatheas, so only divide healthy, established plants with plenty of stems to separate. Common Problems Crispy Brown Edges The single most common Calathea issue. Almost always caused by insufficient humidity, water quality issues, or both. Increase humidity (ideally with a humidifier), switch to filtered or distilled water, and trim damaged leaf edges with clean scissors. Curling Leaves Leaves that stay curled during the day signal underwatering, low humidity, or cold stress. Check soil moisture, humidity levels, and temperature. If the soil is dry, water immediately and boost humidity. Fading Leaf Patterns Calathea patterns fade in too much light or too little. Ironically, both extremes produce similar results. Assess your lighting — if the plant is in strong light, move it back; if in very deep shade, move it closer to gentle indirect light. Yellowing Leaves Usually overwatering or poor drainage. Check that soil isn't staying waterlogged and that the pot has adequate drainage holes. Root rot from overwatering is common in Calatheas because they need moisture — people often overcompensate. Spider Mites Calatheas grown in dry conditions are magnets for spider mites. Check undersides of leaves for fine webbing and tiny moving dots. Treat with insecticidal soap, neem oil, or by wiping leaves with a damp cloth. Keeping humidity high naturally discourages spider mites. Why Calatheas Are Perfect for Pet-Friendly Homes One of Calathea's best features — apart from its stunning beauty — is that it's completely non-toxic to cats and dogs. This makes it one of the best choices for pet-friendly households that want a dramatic, decorative plant without the toxicity concerns of Philodendron, Pothos, or Peace Lily. 👉 Shop Calathea Freddie · Shop Calathea Freddie Starter Plant Frequently Asked Questions Are Calatheas hard to care for? Calatheas are moderately challenging compared to beginner plants like Pothos or Snake Plant. Their main demands are consistent moisture, high humidity, and filtered water. If you can provide these three things, Calatheas aren't difficult — they're just more specific about their preferences. Our beginner plant guide can help you decide if you're ready. Why are my Calathea's leaves curling? Curling leaves typically indicate underwatering, low humidity, or cold stress. Check soil moisture first — if it's dry, water immediately. Ensure humidity is above 50% (60%+ is ideal). Also check for cold drafts or temperatures below 65°F, which can cause leaf curling. Do Calatheas need a humidifier? A humidifier isn't strictly required, but it makes a dramatic difference — especially in dry climates or heated homes during winter. Calatheas thrive at 60–80% humidity. Without supplemental humidity in most homes (which typically run 30–50%), you'll likely see brown leaf edges. Can I use tap water for Calathea? Calatheas are sensitive to fluoride, chlorine, and mineral buildup in tap water. Filtered water, distilled water, or collected rainwater is strongly recommended. If you notice persistent brown leaf tips despite good humidity, switching your water source often solves the problem immediately. Why do Calathea leaves move at night? Calatheas are nyctinastic — their leaves fold upward at night and lower in the morning, following a light-driven circadian rhythm. This movement is controlled by a small joint (pulvinus) at the base of each leaf. The exact biological purpose isn't fully understood, but scientists believe it may help the plant capture light more efficiently or shed water from leaf surfaces. Ready for the beauty of Calathea? Shop our Calathea Freddie — hand-selected, carefully grown, and shipped to arrive healthy. Let your home come alive with the prayer plant's gentle daily rhythm. 🌿 Related Reading Best Houseplants for Apartments How to Care for Peace Lily How to Care for Chinese Evergreen