Of all the gardening hacks on the internet, Epsom salt has to be one of the most pervasive. It was entrenched in the gardening industry long before “going viral” was a thing – an established part of gardening folklore. But can you apply Epsom salt to your hydrangeas, or will it hurt them?
This compound, magnesium sulfate, is recommended for so many issues in the garden that it’s hard to keep track. It is claimed to improve growth and flowering, act as a fertilizer, deter pests and diseases, and resolve various growth problems.
However, when you look for the science to back up these claims, you’ll find evidence suspiciously absent. If you’re wondering whether a scoop of Epsom salt can solve all your hydrangea problems, you’ve come to the right place. Read more at Epic Gardening…