Grown best in U.S. Department of Agriculture Plant Hardiness Zones 4 through 8, red buckeye trees prefer a well-draining soil with a neutral pH between 6.0 and 8.0. Set the tree in an area with ...

In the red buckeye’s case, it relies heavily on the ruby-throat for pollination. In turn, its red, 6-10 inch flower clusters provide rich nectar for the early-returning hummingbirds when other ...