Check these first
- Touch the soil to see if it feels wet or muddy.
- Inspect the bottom of the pot to ensure drainage holes are not blocked.
- Smell the soil for a musty or rotten odor.
Likely causes
Overwatering
Most likelyHow to tell: The foliage turns dull and mushy, and the soil smells sour or swampy.
What to do: Stop watering immediately and let the top 2 inches of soil dry out. If the plant is in a pot, ensure it has drainage holes and is not sitting in a saucer of water.
Poorly draining soil
PossibleHow to tell: Water pools on the surface for a long time after you pour it.
What to do: Repot your Heather into a sandy, acidic potting mix that drains quickly. Avoid heavy garden soil that holds too much moisture.
Find out what's wrong with your heather
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.
Scan with your phone's camera to get the app
Or go to pocketbotanist.app/get on your phone
When to worry
If the stems are black and mushy at the base, the plant is likely beyond saving. It is time to replace it.
Stopping it coming back
Always wait until the top inch of soil is dry before adding more water.
Heather: root rot? Check yours with a photo
Every plant is a little different. Take a photo of your heather 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.
Scan with your phone's camera to get the app
Or go to pocketbotanist.app/get on your phone
Get the app · Or check it from a photo now, free
Questions people ask
- Can I save a plant with root rot?
- If you catch it early, you can trim away the black, mushy roots and repot in fresh, dry soil. If the damage has reached the stems, it is usually too late.
- How often should I water my Heather?
- Check the soil every 3 to 7 days. Only water when the top inch of soil feels dry.
More problems with Heather
- Why are my Heather plant's leaf tips turning brown?
- Why is my Heather plant drooping?
- What are the bugs on my Heather plant?
- Why is my Heather not blooming?
- Why are my heather's leaves turning yellow?
- Why is my heather dropping its leaves?
- Why is my heather growing so leggy?
- What are these white spots on my Heather?
This article was generated with AI on from the plant’s care profile and is general information, not horticultural advice. Read about how we build these guides.

