Hydrangea Plants
Q.

coffee grounds

Zone 7 | tandereed added on June 16, 2012 | Answered

Are coffee grounds beneficial to Hydrangea plants? We have two plants that have never bloomed, even though they are in a sunny, well drained area.

A.
A.Answers to this queston: Add Answer
Nikki
Certified GKH Gardening Expert
Answered on June 16, 2012

Yes, they like the acidity that coffee grounds can add to the soil. A cup or two (depending on teh size of the plant) once every few months is fine.

If you are having issues with blooming, you may be lacking phosphorus. If there is a lack of phosphorus in the soil, plants will have little to no blooms. You can either use a phosphorus rich fertilizer or add some bone meal to the soil. These articles may help as well: https://www.gardeningknowhow.com/ornamental/shrubs/hydrangea/hydrangea-not-blooming.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/phosphorus-plant-growth.htm

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