Pampas Grass
Q.

Pampas Grass

Zone New Plymouth, Idaho | dambrecht added on October 1, 2016 | Answered

I have a big pampas grass. It has a number of plumes but this year they did not open. What's wrong?

A.
A.Answers to this queston: Add Answer
Alisma
Certified GKH Gardening Expert
Answered on October 2, 2016

I am not sure what would cause this. Excessive nitrogen or possibly excessive heat can inhibit flower development, so perhaps they can inhibit plumes from fully developing and opening.

https://www.gardeningknowhow.com/ornamental/foliage/ornamental-grass/no-plumes-on-ornamental-grass.htm

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