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Check these first
- Check the water source for high mineral content.
- Inspect the soil for signs of nutrient depletion.
- Look for pests that might be sucking sap.
Likely causes
Nutrient deficiency
Most likelyHow to tell: The leaves turn pale or yellow uniformly across the plant. This happens when the soil has been depleted of minerals over time.
What to do: Apply a balanced, water soluble fertilizer diluted to half strength once a month during the growing season. Ensure the fertilizer is safe for bog plants.
Water quality
PossibleHow to tell: The tips or edges turn yellow due to high mineral content or chlorine in tap water. The plant may look stressed despite being wet.
What to do: Switch to using rainwater or distilled water for your plant. This prevents mineral buildup that can irritate the roots.
Find out what's wrong with your hare's tail cottongrass
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.
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When to worry
If the yellowing spreads rapidly to all stems, it is a sign of a systemic issue. A single old leaf turning yellow is normal.
Stopping it coming back
Use rainwater and provide a light feeding during the spring and summer months.
Hare's tail cottongrass: yellow leaves? Check yours with a photo
Every plant is a little different. Take a photo of your hare's tail cottongrass 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
- Is my tap water okay?
- Tap water with high chlorine or minerals can cause yellowing. Rainwater is much better for this species.
- Should I cut off yellow leaves?
- Yes, you can trim them at the base to keep the plant looking tidy.
More problems with Hare's tail cottongrass
Back to the Hare's tail cottongrass guide
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.