Colin, depending on what part of Canada you are in, you might be able to find your own, if you have friends with property in damp, open, lightly wooded areas. Â*It grows pretty much all across the border area with the US up as far Hudson's Bay. Â*Check with your local highway authorities if you find it along right-of-ways. You'll find it regularly interspersed with tag alders. Â*Quite often they will allow you to cut it, as it is invasive on ROW's, and they have to remove it anyway. Local logging operations may also be willing to let you cut. Â*There are a lot of options around that can save you some money, and part of the charm of DW carving is getting out in the woods and finding the 'best' sticks to work on.
Asking a forester for Beb Willow, may get you the answers you need, as this is the 'official' name. Â*If you don't know what it looks like, it grows in vase shaped clumps, like a bunch of flowers placed in a vase. Â*Quite often there are a lot of dead and broken branches, as this is not a particularly healthy type of tree. Â*You also have to watch for insect larvae infestations. Â*Just peel a strip of bark and you can tell pretty easy if they are there. Â*You may also spot their exit holes in the bark.
My friends that carve it a lot,say that the best time to get it is in the spring because the bark comes off more easily then. I've got some from over this winter that seems to peel easy enough, but it doesn't come off in strips as well as the spring cut wood. Â*Most folks I know peel it right away, then park it in the rafters for about 3-6 months to dry before carving. Â*Ends can be sealed with wax or left plain; small sticks don't seem, to check too badly.
Just as a matter of 'nice to know' information,the diamond patterns are caused by fungal infections due to the areas that it grows in. Â*Youll also find a lot of moss or lichen growing on the bark, which doesn't affect the wood, but makes a mess when carving the bark off :P :P :P

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There are quite few suppliers around; just runa search for diamond willow or wood carving supplies. Â*I'd still recomend a 'diamond hunt' if you've got the time and can get around OK.
Al