Category: trees

Protecting Cypress Trees From Canker Diseases

Q: I lost all 12 of my Leyland cypress trees to seiridium canker. I was told by an arborist that the disease spread via the ground, and that there wasn’t anything I could have done to prevent it in the first place. He explained that once they were infected, there was nothing I could have…


Choosing old, new trees for your lawn

Roughly 2,500 trees and shrubbery find sanctuary at Starhill Forest Arboretum near Petersburg, Illinois, where co-founders Guy and Edie Sternberg practice what they promote in tree conservation. Having founded the arboretum in 1976, the Sternbergs kept at least one existing tree near their residence on the 50-acre property. It’s an Osage Orange from about 1930,…


Plum Sprouts and Clematis Death

Q: My neighbor has a plum tree near our yard. This year, I have discovered about a dozen plum tree sprouts in my flower beds and lawn. Is there a way to control them, short of removing his tree? Digging them out is leaving holes in the grass and beds. A: First, you need to…


When and How to Thin Fruit Trees

Q: We moved into this house two years ago. We were told there was a 3-year-old apple tree in the backyard. Last year, there was no fruit, but this year, the tree has thousands of small apples. First, is this normal? One year of no fruit and the next with too much? Second, will the…


Do Trees Need to Be Painted?

Q: I am planting some 6- to 10-foot-tall fruit trees and a couple of small shade trees. Is there really a benefit to painting the tree trunks or wrapping them in that spiral wrap stuff? A: How many trees do you see in nature that are painted or wrapped? Tree trunks don’t normally need to…


A Philippine City’s ‘Green Program’ Requires Marriage License Applicants to Plant Trees

As part of an initiative to promote greener public spaces, a city in the Philippines now requires couples applying for a marriage license to plant five trees each. Participants are already celebrating the “green legacy” of the program. The City of Borongan in the province of Eastern Samar, Philippines, took to Facebook in December 2020 to…