Brian Mailman wrote:
>
> George Shirley wrote:
>
> > Epsom salts are salts of magnesium, an essential thing that most plants
> > need and don't get enough of in our soils. A tablespoon or two in the
> > planting hole will help about any plant but does wonders for tomatoes,
> > peppers, and roses.
>
> Hydrangeas, too. I forget if it's for the pink color or the deep blue.
>
> B/



Depends on whether it's acid or basic.

Acid = blue hydrangeas
Basic/alkaline = pink

gloria p
who still remembers fondly the deep blue
hydrangea hedges on much of Cape Cod