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Peruvian Lily · Alstroemeria

Why is my Alstroemeria losing its leaves?

Leaf drop is less common for this plant, and usually happens because of sudden environmental changes or poor light. Check if you recently moved the plant or if it is getting enough light.

Check these first

  1. Check the light levels in the current spot.
  2. Look for drafts near windows or doors.
  3. Inspect the fallen leaves for any signs of pests.

Likely causes

  1. Low Light

    Possible

    How to tell: The lower leaves turn yellow and fall off while the stems become stretched and thin. This happens when the plant cannot produce enough energy to support all its foliage.

    What to do: Move the plant to a brighter location with consistent bright, indirect light. If indoor light is insufficient, consider adding a grow light for 8 to 10 hours daily.

  2. Temperature Shock

    Possible

    How to tell: Leaves drop suddenly after a cold draft or a quick change in room temperature. You might notice the leaves are still green when they fall.

    What to do: Keep the plant away from drafty windows, doors, or air conditioning vents. Maintain a stable temperature between 60 to 75 degrees Fahrenheit.

Find out what's wrong with your peruvian lily

The list above covers the usual causes. Pocket Botanist looks at a photo of your actual plant and tells you the likely cause, how serious it is, and what to try first. Identification and a health check are free.

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When to worry

Worry if a large number of leaves fall off all at once. It is normal for the oldest, lowest leaves to drop occasionally as the plant grows.

Stopping it coming back

Place your plant in a stable environment with bright, indirect light and avoid moving it frequently.

Keep your peruvian lily healthy from here

Save your plant in Pocket Botanist and you get care reminders timed for this plant, plus a care history that shows what worked. Identification and a health check are free.

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Questions people ask

Is it normal for my plant to lose some leaves?
A few older leaves dropping here and there is part of the natural growth cycle. Rapid or heavy leaf loss is the main concern.
Does my plant need a lot of light to keep its leaves?
Yes, it thrives in bright, indirect light. Without enough light, the plant will shed its lower leaves to conserve energy.

More problems with Peruvian Lily

Back to the Peruvian Lily guide

This article was generated with AI from the plant’s care profile and is general information, not horticultural advice. Read about how we build these guides.