🌿 Spiraea

Spiraea just got checked.

Most likely diagnosis

Aphid or other sap-sucking pest feeding on tender new growth

The new growth is tightly curled, puckered, and distorted, which fits feeding damage from aphids or another sap-sucking insect on tender shoots. On spiraea, aphids can be easy to miss because they hide in the folded leaves and shoot tips. A hard cut-back would not usually cause this pattern by itself; pruning can trigger fresh growth, but it does not normally make leaves twist and buckle this way. If you truly see no pests, the next most likely cause is herbicide drift or spray injury affecting the soft new flush.

77% confidence 🟠 Likely issue identified

Save & start plant timeline 🌱 Your next photo becomes the follow-up →

Expert move today ✅

Do today

Focus on the newest curled tips and decide whether this is pest feeding or spray damage.

Gently open a few curled shoot tips and inspect closely for aphids or sticky residue.

If you find pests, squash them or rinse the tips firmly with water; repeat as needed.

Avoid a heavy cut-back until you know the cause, because the plant is still pushing vulnerable new growth.

Differential diagnosis

Also possible, but less likely

Herbicide drift or spray injury

Physical distortion after hard pruning combined with stress on fresh shoots

Leaf curl mite or other hidden small pest

Targeted checks 🔎

What would prove it

Look inside the curled shoot tips and undersides of the youngest leaves for tiny green/black aphids or sticky honeydew.

Check whether only the newest growth is distorted while older leaves look normal; that strongly supports sap-sucking pests.

Inspect for nearby weedkiller or lawn spray exposure, especially if several shoots are twisted in the same way and no insects are found.

Next expert check-in ⏰

Over the next 7 days

Watch the new flush

If the next round of leaves emerges normally after checking/treating for pests, this was likely a temporary pest issue or minor growth distortion. If fresh growth continues to emerge twisted with no pests visible, think spray drift or chemical injury.

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Turn this into a recovery case

One photo gives a diagnosis. Tracking proves whether the plant is recovering.

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Photo comparisons

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Cause tracking

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Recovery timeline

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Next-step reminders

Don’t leave the diagnosis hanging 🌱

Save it now, then use the next photo to confirm if this was the right call.

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