If you have a hardy hibiscus growing in your yard, it’s understandable that you want to maximize its bloom—the large flowers of hibiscus are simply gorgeous. People often tout Epsom salt as a cure-all ...

Applying Epsom salt does not produce more hibiscus blooms and can even be harmful. Epsom salt adds magnesium to the soil and should not be applied without a soil test. For a prolific hibiscus bloom, ...