North American Fruit Explorers mailing list at ibiblio

[Ribes60@aol.com]

I checked and found listings re black walnut toxcicity

 

Juglone Sensitivity in Plants

The following lists were compiled from published sources. They are based largely on observations of native woodlands, gardens, orchards, ornamental plantings, and forest plantations. Few plants have been experimentally tested for tolerance or sensitivity to juglone. Thus, the lists should be used for guidance, but not regarded as definitive.

Plants Sensitive to Juglone	Plants Tolerant of Juglone
Vegetables: cabbage, eggplant, pepper, potato, tomato	Vegetables: lima beans; snap beans; beets; corn; onions; parsnips
Fruits: apple, blackberry, blueberry	Fruits: cherry; black raspberry
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	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: autumn crocus (Colchichum); peony	Flowers & herbaceous plants: bluebells; Kentucky bluegrass; daffodil; daylily; ferns; fescue; iris; Jack-in-the-pulpit; liriope; narcissus; phlox; poison ivy; Shasta daisy; trillium
Field crops: alfalfa; crimson clover; tobacco	Field crops: white clover; red top grass; orchard grass; soybean; timothy; wheat

 

 

Also the following     URLs re juglones

 

http://www.uwex.edu/ces/wihort/landscape/Juglone.htm#top

 

http://ohioline.osu.edu/hyg-fact/1000/1148.html

 

 

http://plantclinic.cornell.edu/FactSheets/WALNUTW.HTM

 

 

http://www.civicgardencentre.org/mg/juglone.htm