Ornamental Grasses
Q.

fountain grass

Anonymous added on July 26, 2015 | Answered

Some of my fountain grasses have plumes now (7/26) and others do not. What is the reason for this? I live in the Cleveland, OH area.

A.
A.Answers to this queston: Add Answer
Downtoearthdigs
Certified GKH Gardening Expert
Answered on July 27, 2015

I would suspect that some of the clumps are getting less phosphorous than the others. Plants need phosphorous to create their flowers and seeds well (which the plumes are). Try giving the non-pluming plant some bone meal.

If this is an established planting, you may also have some mature clumps while others are still too young to bloom. Like animals, plants need to reach maturity before they can reproduce, so a young plant may not be able to create plumes like older plants can.

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