Black walnut hulls, nuts, leaves, or bark should NOT be used in compost piles for vegetable gardens. It would be fine, however, in the compost is designated for turfgrass only. Compost containing ...

Don't compost black walnut leaves; they emit substances that can harm plants. • You can make a composter with stakes and chicken wire or by using wooden shipping pallets.

We compost all of our vegetable kitchen scraps and have just moved our compost area to under a black walnut tree. We know black walnut roots are toxic to certain plants, but are their leaves toxic ...

I dumped my load of chopped black walnut leaves in a corner of the yard where the juglone should benefit an area that has a history of sparse grass growth. I then mowed underneath maple and oak trees ...

Also, avoid black walnut and eucalyptus leaves. Avoid wood and leaves from plants such as pine, spruce, juniper and arborvitae. Also, avoid plants that have been treated with weed killers.

Learn composting tips and all about composting leaves. How to Grow Black Walnut Trees A tree whose trunk rises 16 feet to the first branch will be twice as valuable as one with a branch at eight feet.

It is safe to compost all these leaves and needles. To learn more about composting, there is a fall composting workshop planned from 9:30 a.m. to noon Oct. 31 at the Kennewick Library on Union Street.

Yet the tree has a dark side that haunts many, including reader Shane in Lakewood, who writes, “My question to you is regarding adding black walnut tree leaves and fruits to my compost pile.

This week I want to discuss composting leaves to make leaf mold, otherwise known as black gold. ... Do not use black walnut leaves which contain juglone and may inhibit plant growth.

In this week's installment of "Fielding Questions," Don Kinzler answers questions about coneflower troubles, dealing with rhubarb leaves in the fall and more.