Will the leaves grow back?

The plant will grow new leaves from the stems if it is healthy and receives proper care. It may take a few weeks to see new growth.

Is leaf drop a sign of disease?

It is rarely a disease, but check the undersides of leaves for fungal rust spots if the air circulation is poor. Rust can cause leaf loss if left untreated.

Smallflower hairy willowherb: leaf drop, causes and fixes

Check these first

Check if the plant has been moved recently.
Feel the soil to ensure it has not dried out completely.
Look for signs of pests that might be causing stress.

Likely causes

Environmental Shock
Possible
How to tell: Leaves fall off suddenly after you move the plant to a new location with different light or temperature. The plant looks otherwise healthy but is shedding foliage.
What to do: Keep the plant in a stable location with consistent bright indirect light. Avoid moving it once it has settled into a spot it likes.
Severe Drought
Possible
How to tell: Leaves wilt and then drop off because the plant has been allowed to dry out completely. The stems may also look slightly shriveled.
What to do: Water the plant immediately and thoroughly to rehydrate the root ball. Keep the soil damp, but not waterlogged, to help it recover.

Leaf drop in other plants

Find out what's wrong with your smallflower hairy willowherb

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

Worry if the plant is losing a large amount of leaves in a short period. A few leaves dropping after a move is normal as the plant adjusts.

Stopping it coming back

Keep the environment stable and never let the soil dry out completely.

Smallflower hairy willowherb: leaf drop? Check yours with a photo

Every plant is a little different. Take a photo of your smallflower hairy willowherb 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

Will the leaves grow back?: The plant will grow new leaves from the stems if it is healthy and receives proper care. It may take a few weeks to see new growth.
Is leaf drop a sign of disease?: It is rarely a disease, but check the undersides of leaves for fungal rust spots if the air circulation is poor. Rust can cause leaf loss if left untreated.

Guides to these causes

Dehydration

Why is my Epilobium parviflorum dropping leaves?

Check these first

Not sure what's wrong with your smallflower hairy willowherb?