poor flowering

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Janno Cobram, Australia Jan 30, 2019

I have lots of foliage but few flowers this summer on my perennials, shrubs and roses.
Could this be due to too much chicken manure?

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Kell San Leandro, CA(Zone 9b) Jan 30, 2019

Too much of anything is not good but I have never thought of chicken manure as being a powerful fertilizer.

If your soil is too high in nitrogen and low in phosphorus (P) and potassium (K) you can get lush green growth and few flowers. I had this problem with bearded iris for a few years. I had the biggest fans but no flowers. I finally got a clue and started using a fertilizer specifically to promote blooms and I finally got blooms.

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