Q.Can You Plant Vegetables Near A Buckeye Tree Or Does The Tree Change The Ph In The Soil?
Tried to plant peppers not too far from a buckeye tree and got no peppers.
Certified GKH Gardening Expert
They aren't known to be allelopathic, like walnuts, so I don't suspect chemical warfare at the root level.
Depending on how far out from the tree you were plantings, vegetables may have been choked out by tree roots.
I suggest creating a raised bed to plant where tree roots are too thick to plant. Here are some articles that will help:
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/best-soil-raised-garden-beds.htm
https://www.gardeningknowhow.com/edible/vegetables/vgen/making-unframed-raised-beds.htm
https://www.gardeningknowhow.com/edible/vegetables/vgen/raised-bed-soil-depth.htm
https://www.gardeningknowhow.com/special/starting/cinder-block-garden-beds.htm
https://www.gardeningknowhow.com/edible/vegetables/vgen/raised-vegetable-gardens.htm