Uses for Black Walnut and Butternut sawdust and shavings

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Forum topic by SteviePete posted 05-18-2012 02:54 PM 4593 views 0 times favorited 6 replies Add to Favorites Watch
View SteviePete's profile


226 posts in 3304 days

05-18-2012 02:54 PM

Topic tags/keywords: walnut butternut toxicity coloring agent respiratory and contact reactions alternative uses

Over the past few years I have had no problem finding uses for hardwood and softwood shavings. Sawdust only as an admixture to black dirt or compost (small amount into large amount of product). I have followed many threads on this and other forums about the negative outcomes for Juglans sp. Among them alergies, sensitivities and reactions both on skin and respiratory. They are also described in the literature as negative in horticulture mixes the culprit is Juglone. Wiki has some scienterific information.

THE INSTANT CASE: The local watering hole maintains sports fields and has on heck of a time controlling vegetation behind the fences in the playing field. Small aspen, balsam, hazelnut, and red pine encroaches on the fence in just a few years. Is anyone aware of the use of Juglans sp. as an herbicide in right-of-way maintenance. I have about 3 yds3 of mixed shavings, dust and small chips.

Throw your 2 cents in on your experiences with juglone. Thanks. Steve

-- Steve, 'Sconie Great White North

6 replies so far

View jusfine's profile


2422 posts in 2927 days

#1 posted 05-18-2012 03:13 PM

I know you cannot put it out where horses can get at it – could kill them.

Unfortunately, the only thing I can do with mine is burn it…

-- Randy "You are judged as much by the questions you ask as the answers you give..."

View Durnik150's profile


647 posts in 3322 days

#2 posted 05-18-2012 06:47 PM

The high tannins in Walnut will inhibit the growth of other vegetation. It’s one of the ways the trees compete in the forest. I would only use the walnut where you don’t want anything to grow.

-- Behind the Bark is a lot of Heartwood----Charles, Centennial, CO

View bent's profile


311 posts in 3670 days

#3 posted 05-18-2012 08:35 PM

i threw some black walnut dust around a raspberry patch in my yard (before i found out about the tanin issue). the berry patch took off and grew like crazy. i think it may have actually helped.

View IrreverentJack's profile


727 posts in 2844 days

#4 posted 05-18-2012 10:36 PM

I just spent a bunch of time making large self-watering/wicking containers so I could finally have a garden this year. Yesterday the neighbors had their huge black walnut taken down. I don’t know how long the roots will give off juglone but with the containers and the tree gone the yearly garden heartbreak should be over. -Jack

View WDHLT15's profile


1744 posts in 2477 days

#5 posted 05-19-2012 12:57 AM

Most of the juglone is produced by the roots. There is not much in the wood, but there is some. Seems to me that it would make a weak herbicide.

-- Danny Located in Perry, GA. Forester. Wood-Mizer LT40HD35 Sawmill. Nyle L53 Dehumidification Kiln.

View gfadvm's profile


14940 posts in 2691 days

#6 posted 05-19-2012 01:35 AM

I’m with Bent- I put in on our flower beds and have great flowers. For the record it is not the juglone that causes the severe laminitis problems in horses. U of Ga has done a lot of the black walnut laminitis research and came to this conclusion. Just an FYI for you horse enthusiasts. The truly fascinating thing about the walnut laminitis is the horses don’t have to eat it to become affected. Ga. researchers muzzled horses and stalled them on BW shavings and they developed laminitis. Interesting but devastating problem.

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

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