University of Nebraska Cooperative Extension in Lancaster County

Walnut Toxocity

Compiled by
Mary Jane McReynolds, Extension Associate
094-00
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Plants that are Tolerant to Black Walnut Plants Susceptible to Black Walnut
Annual
zinnia

Perennials
ajuga
daylily
daffodil
hosta
iris
white clover
yarrow

Turfgrass
Kentucky bluegrass
tall fescue

Vegetable
bean
beet
carrot 
corn
onion
Vines
Virginia creeper
wild grape
kiwi
clematis
 

Shrubs
blackhaw viburnum
black raspberry
juniper
forsythia
honeysuckle
mock orange
quince
sumacs
wild rose

Trees
black locust
elm
hawthorn
hemlock
hickory
paw paw
red bud 
red cedar
oaks
sycamore
tree of heaven

Perennials
chrysanthemum
peony

Vegetables
asparagus
cabbage
pea
potato
tomato
eggplant
pepper

Shrubs
azalea
blueberry
cotoneaster
huckleberry 
lilac
mountain laurel
rhododendron
privet
Amur honeysuckle
potentilla
 

Trees
apple
crabapple
red pine
cherry
black alder
linden
white birch
hackberry
silver maple
eastern white pine
Scotch pine
Norway spruce
saucer magnolia
Japanese larch
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