Q.Flowering Vinca
My flowering vinca annuals are not doing well. They are planted in full sun but the leaves are turning yellow. I water every other day. There are small (chipmunk size) holes in the soil next to many of the plants. Help!
Certified GKH Gardening Expert
You may have a mole or vole problem. They sometimes like to eat the roots of plants. These articles may help:
https://www.gardeningknowhow.com/plant-problems/pests/mole-control-home-remedies-for-removing-moles-from-your-yard.htm
https://www.gardeningknowhow.com/plant-problems/pests/animals/vole-control.htm
https://www.gardeningknowhow.com/plant-problems/pests/animals/camouflage-gardening-deterring-garden-crashers-pests.htm