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Antelope horns · Asclepias asperula

Why are my Antelope horns leaves curling?

It is less common for this plant to have curling leaves, which usually happens due to extreme heat or a lack of water. Check the soil moisture first to see if the plant is simply thirsty.

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curling leaves on a plant
Photo: Freshclover, CC BY-SA 4.0

Check these first

  1. Check if the soil is bone dry.
  2. Look for tiny insects on the underside of the curled leaves.
  3. Feel the leaves to see if they are brittle or soft.

Likely causes

  1. Dehydration

    Possible

    How to tell: The leaves look thin and start to curl inward or droop during the hottest part of the day. The soil will feel completely dry to the touch.

    What to do: Water the plant deeply until the soil is saturated. Ensure you are watering every 7 to 14 days depending on how fast the soil dries out.

  2. Aphid Infestation

    Possible

    How to tell: You will see clusters of small insects on the new growth, causing the leaves to twist or curl as they feed. The leaves may also look slightly distorted.

    What to do: Wash the aphids off with a gentle spray of water. If the infestation is heavy, use an insecticidal soap to clear them out.

Curling leaves on other plants

Find out what's wrong with your antelope horns

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 the curling is accompanied by yellowing or browning of the leaf edges. Temporary curling during a heat wave is often just the plant protecting itself.

Stopping it coming back

Maintain a consistent watering schedule during the peak of summer. Keep an eye out for early signs of aphids so you can treat them before they cause damage.

Antelope horns: curling leaves? Check yours with a photo

Every plant is a little different. Take a photo of your antelope horns and Pocket Botanist tells you which cause is most likely, how serious it is, and what to try first. A few checks a day are free. Save the plant and you get care reminders timed for it.

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Questions people ask

Should I water more often if the leaves curl?
Only if the soil is completely dry. Overwatering can lead to root rot, which is much harder to fix than a little bit of thirst.
Is it normal for leaves to curl in the heat?
Yes, some curling is a natural response to intense heat and sun. It helps the plant reduce its surface area and save moisture.

Guides to these causes

More problems with Antelope horns

Back to the Antelope horns guide

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