I’m concerned with my purple leaf plum tree. Originally, I was only concerned with the dark crusty limbs, and then I noticed some stuff like dark coffee grounds at the trunk. How bad is this? And how ...

Answer: The greater peach tree borer (Synanthedon exitiosa) is known for causing oozing trunk wounds found at ground level or just below the soil line on stone fruit trees. The sap is often clear, but ...

Adult greater peachtree borers are often mistaken for wasps, but they're actually clearwing moths. Greater peachtree borer larvae feed on the cambium tissue under the bark of stone fruit trees. This ...

Question: We have two peach trees in our backyard and we have two different issues going on that keep us from seeing any ripe fruit. Can you advise us on what’s going on and how to handle it? First, ...