-- Black Walnut Toxicity

Gale, as well as some of the ones listed in the wab site, I grew gentian septemifida, Toad Lily (tricyrtis), Solomon Seal, Astilbe and the shrub Flowering Raspberry (Rubus odoratus) at my old house. Had three large Black walnuts and it was a battle.
Also I remember there was some Oregon Grape Holly there... I loved the trees but I sure don't miss the ongoing battle to get stuff to grow! It also helped that I added about a foot of soil to the beds to give thing a good start. Good luck and I would suggest you start things with some bulk, not the little tiny starts. A bit more expensive to start, but a lot less expensive in the long run. I found the little guys bit the dust.

Lillian, Zone 5

----Original Message Follows----
From: LONDE@aol.com
Reply-To: perennials@hort.net
To: perennials@hort.net
Subject: Perennials--where are you? -- Black Walnut Toxicity
Date: Sun, 6 Jul 2003 18:03:24 EDT

There is a long list of plants that will grow in the root zone of black
walnut trees at the following web site --

http://tomclothier.hort.net/page43.html

You will find a list of plants that are especially sensitive to black walnut
toxicity, along with a list of plants that are tolerant at --

http://www.wvu.edu/~agexten/hortcult/fruits/blkwalnt.htm

If you don't have access to the Internet, here is the list copied from the
West Virginia University site --

Sensitive --
Landscape plants: black alder (Alnus); azalea; basswood; white birches; Hopa
crabapple; hackberry; Amur honeysuckle; Japanese larch; lespedeza; lilac;
saucer magnolia; silver maple; mountain laurel; loblolly pine; red pine; scotch
pine; white pine; potentilla; privet; rhododendron; Norway spruce
Flowers & herbaceous plants: autumn crocus (Colchichum); peony

Resistant --
Landscape plants: red cedar; crabapple; elm; winged euonymus; forsythia;
hawthorn; hemlock; hickories; black locust; most maples; oaks; autumn olive;
pachysandra; pawpaw; persimmon; wild rose; sycamore; most viburnums; Virginia
creeper
Flowers & herbaceous plants: bluebells; Kentucky bluegrass; daffodil;
daylily; ferns; fescue; iris; Jack-in-the-pulpit; liriope; narcissus; phlox; poison
ivy; Shasta daisy; trillium

Hope this helps! --Janis







Date: Sun, 06 Jul 2003 13:39:01 +0000
From: glink@att.net
Subject: Perennials--where are you?

> Does anyone have any suggestions about what might grow under a walnut tree?
>
> Hostas? Ferns? I have given up on things blooming. We love it because it
> shades the front of the house, but now there's too much shade! I know some
> things are allergic to walnut roots, but we do have nandina and those
> anemone-
> looking weeds with the tiny burs coming up. There must be some more things,
>
> things I'd rather have.

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