Lawn care after removing English Walnut

A couple of years ago I removed an English Walnut tree from my backyard. My lawn is much improved however I have reoccurring bare patches in the same areas even after I have reseeded each spring. I am assuming it…

Walnut Tree – Potential Problem

Hello! I have extensive gardens around my house, which I bought 3 years ago. I removed all the grass on the property, and instead landscaped with perennials, shrubs and small trees. The neighbour behind my house has a small shed…

Black Walnut Resistant Grass

Hi, I have a shady back yard that is pestered by a Black Walnut tree on my neighbors yard. I am looking for suggestions of what grass I could grow that would survive albeit some additional tlc. I read this…

non blooming tree peony

I live in North Toronto (Lawrence and Mt Pleasant) so zone 5? I have a tree peony in mid to late morning sun (almost full sun before a large black walnut leafs out. It’s situated along the edge of a…

What can I grow with Tree of heaven and Black Walnut?

We are in Toronto, with a space that has areas of full sun, part sun/shade, and full shade. Our back yard has about 80% coverage by tree of heaven roots. I’ve accepted that I must just continue pulling root systems…

Black Walnut

There is a large 35′ Black Walnut in the back corner of my neighbours yard. I don’t know if this is the culprit but I can’t seem to get my cedar hedge to thrive near this tree. In fact not…

Shrubs for planting under a black walnut

Our neighbour has a black walnut near the back of his lot. We have a fountain in our yard with some small ornamental grasses in front which are doing well. However the three Japanese Holly we planted as a backdrop…

Juglone and Black Walnut: A Toronto Master Gardeners Guide

Are the tomatoes in your neighbour’s garden doing much better than the ones you planted next to your black walnut tree? The problem may be due to juglone, a chemical naturally produced by the black walnut tree. The largest amount…