Are aphids harmful to the whole plant?

Yes, they suck sap and can weaken the plant or spread viruses. It is best to treat them as soon as you spot them.

Can I use neem oil in the sun?

Apply neem oil in the early morning or late evening to avoid burning the leaves in direct sun. Never apply it during the heat of the day.

Baby sage: curling leaves, causes and fixes

Check these first

Examine the undersides of the leaves for aphids.
Check if the leaves recover when the temperature drops.
Inspect the soil to ensure it is not bone dry.

Likely causes

Aphid infestation
Most likely
How to tell: You see small, soft bodied insects clustering on the new growth or sticky residue on the leaves.
What to do: Spray the plant with a strong stream of water to knock the aphids off. Apply insecticidal soap or neem oil every 5 to 7 days until the pests are gone.
Heat stress
Possible
How to tell: The leaves curl inward during the hottest part of the day but recover at night.
What to do: Provide a bit of afternoon shade if the heat is extreme. Ensure the plant is watered deeply to help it cope with high temperatures.

Curling leaves on other plants

Find out what's wrong with your baby sage

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

Minor curling during a heatwave is normal, but persistent curling with visible pests requires immediate treatment.

Stopping it coming back

Keep the plant healthy with proper watering and inspect it weekly for early signs of pests.

Baby sage: curling leaves? Check yours with a photo

Every plant is a little different. Take a photo of your baby sage 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 the whole plant?: Yes, they suck sap and can weaken the plant or spread viruses. It is best to treat them as soon as you spot them.
Can I use neem oil in the sun?: Apply neem oil in the early morning or late evening to avoid burning the leaves in direct sun. Never apply it during the heat of the day.

Guides to these causes

Aphids

Why are my Salvia microphylla leaves curling?