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Gardening Know How Questions & Answers - https://questions.gardeningknowhow.comI have eight hydrangeas in a variety of locations in our yard. Seven are blue mopheads; the other one is endless summer. Three years ago they blossomed like crazy but have not bloomed since. Three have been in for more than 15 years in a semi-shady spot. The others have been in for 5 years in part sun-part shade. I tried protecting them from wind, etc. with a frame encircled with burlap. No luck. Originally, I pruned them in early fall. Then I tried waiting until late spring and cutting back only what was obviously dead wood. I see other yards where they are obviously neglected but thriving. What’s wrong here?
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1 Comment To "Non-Blooming Hydrangeas"
#1 Comment By Nikki On 09/09/2011 @ 6:38 am
When was the last time you had the soil tested? The soil may be lacking phosphorus, which would cause healthy growth but no blooms. Here are some articles that may help:
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/phosphorus-plant-growth.htm [1]
https://www.gardeningknowhow.com/ornamental/shrubs/hydrangea/hydrangea-not-blooming.htm [2]