Will sea buckthorn thrive in clay soils, high heat and humidity during the summers? We live in the midlands of South Carolina.
Growing Sea Buckthorn
Certified GKH Gardening Expert
They aren't very picky, but they will need well draining soil. The clay will have to be amended to make it a little more suitable for the plant. This article will give you more information: https://www.gardeningknowhow.com/ornamental/trees/sea-buckthorn/planting-sea-buckthorn-trees.htm