Arboriculture Big crack with exuding sap on my big tree — landlord says it’s fine, any thoughts? July 31, 2025
Arboriculture I have an over 100-year-old tree. I want to keep it healthy, but also keep my area safe July 30, 2025
Arboriculture Found these on a Maple (Acer saccharinum) here in Germany, structure doesn’t match with any native gall wasp, nor with the maple gall mite. Any ideas? July 30, 2025
