Something is eating my carpet roses and coneflowers by biting them off at the stem. What is eating them? Could it be squirrels? Rabbits? The spot on the coneflower stem where they are being bitten off appears to be a little high for rabbits, but I guess they could stand on their hind legs.
Coneflowers and Carpet Roses Eaten
Certified GKH Gardening Expert
Many pests, caterpillars or even critters could be the culprit.
Here are some links that may help you.