Why does calathea droop at night?

Calathea leaves folding upward or drooping in the evening and opening again during the day is called nyctinasty, a natural movement response to changes in light. This is completely normal and not a sign of a problem. Calathea are sometimes called prayer plants (a name more often applied to Maranta) precisely because of this daily leaf movement. The leaves move on small hinges called pulvini at the base of each leaf stalk. If your calathea's leaves droop at night but are upright and open in the morning, no action is needed. Drooping that persists through the day and does not resolve by morning is the concern to investigate.

How do I tell underwatering from overwatering drooping in calathea?

The most reliable distinction is the condition of the soil and the texture of the leaves. Underwatering drooping comes with bone dry soil, a very light pot, and leaves that feel slightly thin or crispy at the edges. The leaves droop but the petioles (stems) are still upright; the leaves hang from them rather than the whole stem collapsing. Overwatering drooping comes with consistently wet or soggy soil, a heavy pot, and leaves that may be yellowing or feel soft and water-logged. In overwatering, the petioles themselves may go limp at the base because root rot has damaged the plant's ability to take up water. A sour smell from the soil confirms rot. When in doubt, remove the plant from the pot briefly to inspect the roots: firm white roots indicate water stress; dark, mushy roots indicate rot.

How often should I water calathea?

Calathea prefers soil that is consistently moist but never soggy. In most indoor conditions during the growing season, this means watering every 7 to 10 days when the top inch of soil feels dry. In winter, reduce to every 10 to 14 days. Calathea is sensitive to both extremes: underwatering causes drooping and crispy edges, while overwatering causes root rot and yellowing. Water quality also matters — calathea is sensitive to chlorine and fluoride in tap water, which can cause tip burn and overall decline. Allowing tap water to sit overnight before use, or switching to filtered water, often improves the plant's response. Use room-temperature water rather than cold, as cold water stresses the roots.

Calathea Drooping — Why It Happens and How to Fix It

Home / Guides

At a glance

Drooping with dry soil and light pot: Underwatering; water thoroughly now
Drooping with wet soil and yellowing leaves: Overwatering; check roots for rot
Drooping in evening but upright by morning: Normal nyctinasty; no action needed
Drooping with crispy edges in dry air: Low humidity; raise to 50 to 60 percent
Drooping after a cold event or near a vent: Cold stress; keep above 60°F
Drooping in a pot that hasn't been changed in years: Root binding; repot into a larger container

Why calathea drooping requires careful diagnosis

Calathea (Calathea spp., now partially reclassified as Goeppertia) is one of the most visually rewarding but temperamentally demanding houseplants. It droops readily in response to multiple triggers, and importantly, two of the most common causes, underwatering and overwatering, are opposite problems that require opposite fixes. Watering a calathea that is drooping from root rot will accelerate the damage. The soil condition, leaf texture, and root health are the key diagnostic tools, so it is worth taking a moment to assess before acting.

Cause 1: Underwatering

Signs: The soil is dry or nearly dry throughout the pot. The pot feels very light. The leaves droop and the petioles (leaf stalks) may angle downward, but the leaf tissue itself is not mushy or yellow. The edges of the leaves may be slightly brown and crispy. The plant was last watered more than 10 to 14 days ago in warm weather.

Why it happens: Calathea requires consistent moisture to maintain turgor pressure in its large, thin leaves. When the soil dries out fully, the plant cannot maintain the cell pressure needed to hold its leaves upright. Unlike succulents, calathea has no water storage organs and wilts quickly when dry.

Fix: Water thoroughly and the leaves should recover their upright position within a few hours to a day. To prevent recurrence, check the soil every 7 to 10 days in summer and water when the top inch is dry. Calathea is sensitive to the mineral content of tap water; using filtered water or water that has sat overnight reduces additional stress from chlorine and fluoride.

Cause 2: Overwatering and root rot

Signs: The soil is consistently wet or has been kept moist at all times. The pot feels heavy. Leaves are drooping but also yellowing or appearing soft and water-logged. The petioles at soil level may be limp and dark. A sour or musty smell from the soil indicates root rot. The plant has been watered on a fixed schedule regardless of soil dryness.

Why it happens: Overwatering destroys the fine root hairs that absorb moisture and nutrients. Once root rot sets in, the plant cannot take up water even when surrounded by it, and the leaves droop from internal water deficit despite wet soil. Calathea roots are particularly susceptible to rot because they are relatively fine and the plant is often grown in moisture-retaining potting mixes in pots without adequate drainage.

Fix: Allow the soil to dry somewhat before evaluating. If the plant does not recover, remove it from the pot and inspect the roots. Healthy roots are white and firm; rotted roots are dark and mushy. Trim all rotted roots and repot in fresh, well-draining mix with perlite added. Do not water for a week after repotting. Going forward, water only when the top inch of soil is dry and ensure the pot has drainage holes.

Cause 3: Normal evening leaf movement

Signs: The leaves fold upward or droop in the evening but are upright and open when you check in the morning. The plant looks healthy in all other respects. No yellowing, no mushy tissue, soil moisture is appropriate.

Why it happens: Calathea plants move their leaves in response to light through a process called nyctinasty. Specialized cells in the pulvinus (joint at the base of each leaf stalk) fill or release water to move the leaf. As light decreases in the evening, calathea leaves naturally fold upward or droop. This is a feature of the plant, not a sign of distress.

Fix: None needed. This behavior confirms the plant's movement mechanism is working normally.

Cause 4: Low humidity

Signs: Leaves are slightly limp and drooping throughout the day, not just in the evening. The leaf edges are browning and crispy. The home is heated or air-conditioned and the air feels dry. The soil moisture is appropriate.

Why it happens: Calathea is a humid-environment plant that prefers 60 percent humidity or higher. In dry indoor air, the large, thin leaves lose moisture through transpiration faster than the roots can supply it, leading to drooping, curling, and brown edges.

Fix: Place a humidifier near the plant to raise humidity to 60 percent or more. Group calathea with other humidity-loving plants. Avoid placing it near heating vents, air conditioners, or drafty windows. Pebble trays with water provide mild humidity benefits but are not as reliable as a humidifier for maintaining consistently elevated levels.

Cause 5: Cold stress

Signs: Drooping appeared or worsened suddenly after a cold event: exposure to temperatures below 60°F, proximity to an air conditioning vent or drafty window, or being brought indoors from outdoor placement in cooler weather. The affected leaves may also show dark spots or patches.

Why it happens: Calathea is a tropical plant that does not tolerate cold. Cold temperatures damage the cell membranes in the leaves and inhibit root function, causing the plant to droop. Even brief exposure to cold can cause lasting damage to the sensitive leaves.

Fix: Move to a consistently warm location, ideally 65 to 80°F. Keep away from cold windows, exterior doors, and air conditioning vents. Cold-damaged leaves will not recover but the plant will produce healthy new leaves once placed in appropriate warmth.

Cause 6: Root binding

Signs: The plant has been in the same pot for 2 or more years. Roots are visible above the soil surface or through the drainage holes. The soil dries out very quickly after watering, sometimes within a day or two. Drooping occurs even with correct watering because the root-bound soil cannot retain adequate moisture.

Why it happens: When calathea roots fill the pot, there is not enough soil volume to hold moisture between waterings. The plant wilts more quickly than a properly potted specimen. Repotting gives the roots room to expand and improves the soil's ability to retain moisture evenly.

Fix: Repot into a container 1 to 2 inches wider, using fresh potting mix with added perlite for drainage. Calathea does not like very large pots, as excess soil retains moisture and increases rot risk. After repotting, keep in a shaded spot for 1 to 2 weeks to allow the roots to establish before returning to normal care.

Calathea Drooping