Pocket BotanistCheck these first
- Measure the hours of direct sun the plant receives.
- Check if nearby trees or structures are casting shade.
- Review your fertilization schedule.
Likely causes
Insufficient Light
Most likelyHow to tell: The plant looks healthy and green but never develops flower stalks.
What to do: Move the plant to a location that receives full sun for at least 6 to 8 hours a day. If it is in a shaded spot, it will struggle to bloom.
Excessive Fertilizer
PossibleHow to tell: The grass is very lush and tall but lacks plumes.
What to do: Stop using high nitrogen fertilizers. Feather Reed Grass prefers leaner soil and does not need heavy feeding.
Find out what's wrong with your feather reed grass
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
It is normal for young plants to take a full year to establish before blooming. Worry if a mature plant fails to bloom for two consecutive seasons.
Stopping it coming back
Plant in a full sun location and avoid over fertilizing the soil.
Feather reed grass: not flowering? Check yours with a photo
Every plant is a little different. Take a photo of your feather reed grass 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
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Questions people ask
- When should I expect flowers?
- Feather Reed Grass typically blooms in early to mid summer. The plumes will persist into the fall.
- Can I force it to bloom?
- You cannot force blooms, but ensuring it gets plenty of direct sun is the best way to encourage flowering.
More problems with Feather reed grass
Back to the Feather reed grass 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.