How important is the pH of the soil to the health of the hibiscus? My soil is 5 to 6 acid. What is considered the correct pH?
Certified GKH Gardening Expert
Recommended pH for growing hibiscus is about 6 to 7. These articles should help with correcting your soil pH: https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/soil-ph-plants.htm