Are aphids harmful to my plant?

Yes, they suck the sap from the leaves and can stunt growth. They also leave behind a sticky substance that can attract mold.

Does this plant flower?

Yes, it produces small white flowers in the summer. To help it bloom, ensure it gets bright indirect light and consistent moisture.

Why are my Galium saxatile leaves curling? Causes and fixes

Check these first

Look closely at the undersides of the leaves for small bugs.
Check the soil moisture to see if the plant is thirsty.
Observe if the curling happens only during the hottest part of the day.

Likely causes

Aphid infestation
Most likely
How to tell: You will see small green or black insects clustered on the new growth. The leaves may also look sticky from the honeydew they leave behind.
What to do: Spray the plant with a strong stream of water to knock the aphids off. If they persist, apply insecticidal soap once a week for 3 weeks.
Heat stress
Possible
How to tell: The leaves curl inward during the hottest part of the day. The plant looks thirsty even if the soil is moist.
What to do: Move the plant to a spot with more shade during the afternoon. Ensure it stays hydrated by checking the soil every 3 days during heatwaves.

Curling leaves on other plants

Find out what's wrong with your heath bedstraw

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.

When to worry

If the leaves are covered in aphids and turning yellow, you need to act quickly. Minor curling on a hot afternoon is just the plant trying to conserve water.

Stopping it coming back

Keep the plant healthy with consistent watering and check it regularly for pests. Good air circulation helps prevent aphid buildup.

Heath bedstraw: curling leaves? Check yours with a photo

Every plant is a little different. Take a photo of your heath bedstraw 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.

Get the app · Or check it from a photo now, free

Questions people ask

Are aphids harmful to my plant?: Yes, they suck the sap from the leaves and can stunt growth. They also leave behind a sticky substance that can attract mold.
Does this plant flower?: Yes, it produces small white flowers in the summer. To help it bloom, ensure it gets bright indirect light and consistent moisture.

Guides to these causes

Aphids

Why are my Galium saxatile leaves curling?

Check these first

Not sure what's wrong with your heath bedstraw?