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

Alisma
Certified GKH Gardening Expert
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.
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