Overall, black walnut does best in USDA hardiness zones 4 to 9, while English walnut can grow in zones 3 to 7. As the tree becomes established, consider pruning it every late summer or fall for ...

The large black walnut tree at 178 Bellamy Rd. N. was the subject of debate at a recent Scarborough Community Council meeting. - Staff photo/MIKE ADLER Three healthy trees in Scarborough: each of ...

Risteen's black walnut is featured in Palmer's book, set for release this spring. Palmer and his team measured it at 20 metres high and 74 centimetres in diameter.

They like a bit of moisture in the soil, similar to black walnut trees, so their needs are similar, and they can tolerate and even thrive in some shade.