David's Blog

Living a quiet life in Coquitlam, B.C.

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Location: Coquitlam, British Columbia, Canada

Sunday, October 27, 2019

Persian Walnut Trees Sprouting

This summer I developed an interest in walnut trees and, walking around my neighborhood, came to realize there are many walnut trees growing around here-- I just hadn't recognized them as walnut trees before. However, I didn't know how to determine exactly what kind of walnut trees they are. I am sure most of them are common English Walnut trees. And there is one which I am sure is a Heartnut tree (AKA Japanese Walnut) but, after chatting with the property owner for a while, even they didn't know what kind of tree it was. It had been there when they bought the property--over thirty-five years ago! Apparently, the only way to know for sure what kind of walnut tree you have is to either buy a plant from a nursery, or get some seeds of known type and plant them yourself. So that is what I did.

Earlier this month (October 2019), I ordered and received some Persian (AKA Carpathian) Walnut seeds for planting from Grimo Nut Nursery in Niagara-on-the-Lake, Ontario. I wanted Persian Walnuts because they are supposed to be the most cold-hardy. The nice thing about Grimo Nut Nursery is that they seem to take their business seriously, offering various strains of Persian Walnuts and listing the features of each strain. It is nice to know exactly what kind of tree I am planting. So I specifically ordered the most cold-hardy strain of Persian Walnut tree available. In a few years, they will be moved up to northern B.C., so I hope these strains are hardy enough.

I received twenty seeds, a mix of the most cold-hardy strains available from Grimo at the time. Here is a photo showing the variety of nuts I received.


Walnuts have to go through a cold temperature stratification process before they sprout, so I have put them in a pot, covered it with soil, and put a mesh on top of it to deter squirrels. This upcoming spring, I will move them to individual little pots and, as they germinate, move them to individual bigger pots. I plan to update this post to track the growth of the trees.

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