Will the plant grow new leaves where they fell off?

It may grow new branches or leaves from the nodes, but it will not regrow leaves on the exact same spot of the stem. Pruning the tips can encourage bushier growth.

Does this plant go dormant?

Marsh willowherb is a perennial that may slow down in winter. It is normal to see some leaf loss as the days get shorter.

Why is my Marsh willowherb dropping leaves? Causes and fixes

Check these first

Check if the plant was recently moved to a new room.
Examine the soil to see if it has become bone dry.
Look for any sudden temperature drops near the plant.

Likely causes

Environmental Shock
Most likely
How to tell: Leaves fall off suddenly after the plant is moved to a new spot with different light or temperature. The plant may look otherwise healthy.
What to do: Keep the plant in a stable location with bright, indirect light. Avoid moving it frequently so it can adjust to its surroundings.
Severe Dehydration
Possible
How to tell: Leaves wilt and turn brittle before falling off. The stems may also look shriveled.
What to do: Soak the pot in a basin of water for 30 minutes to rehydrate the root ball. Resume your regular watering schedule immediately after.

Leaf drop in other plants

Find out what's wrong with your marsh 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

A few leaves dropping after a move is normal as the plant adjusts. Worry if the plant is losing a large amount of foliage over several days.

Stopping it coming back

Keep the plant in a consistent environment with steady light and moisture. Avoid placing it in areas with fluctuating temperatures.

Marsh willowherb: leaf drop? Check yours with a photo

Every plant is a little different. Take a photo of your marsh 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.

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

Questions people ask

Will the plant grow new leaves where they fell off?: It may grow new branches or leaves from the nodes, but it will not regrow leaves on the exact same spot of the stem. Pruning the tips can encourage bushier growth.
Does this plant go dormant?: Marsh willowherb is a perennial that may slow down in winter. It is normal to see some leaf loss as the days get shorter.

Guides to these causes

Dehydration

Why is my Marsh willowherb dropping leaves?