How to Garden Near a Black Walnut Tree

Plants Susceptible to Juglone

The following plants are observed to be susceptible to juglone produced by walnut trees. This list is based only
on observation and experience, not scientific experiments. It should be used for guidance only, not regarded as
definitive.

From K State Extension and Master Gardening Program Here

Trees Intolerant of Juglone

Alder, Alnus glutinosa
Apple/Crabapple Malus sp.
Basswood (linden) Tilia americana
Birch, White Betula papyrifera
Chokeberry, Red Aronia arbutifolia
Magnolia, Saucer Magnolia x soulangiana
Maple, Silver Acer saccharinum
Mountain Laurel Kalmia sp.
Norway Spruce Picea abies
Pine (most) Pinus sp.
Russian Olive Elaeagnus angustifolia
Ornamental cherry cultivars Prunus

Shrubs  Intolerant of Juglone

Amur honeysuckle Lonicera maackii
Arborvitae Thuja occidentalis
Azalea Rhododendron sp.
Cotoneaster Cotoneaster sp.
Hydrangea Hydrangea sp.
Lespedeza Lespedeza striata
Lilac Syringa sp.
Nine-Bark Physocarpus opulifolius
Pipe Vine Aristolochia macrophylla
Potentilla cinquefoil Potentilla fruticosa
Privet Ligustrum vulgare
Firethorn Pyracantha sp.
Rhododendron Rhododendron sp.
Viburnum (most) Viburnum sp.
Yew Taxus sp.

Annuals Intolerarant of Juglone

Petunia Petunia sp.
Perennials and Bulbs
Colorado Columbine Aquilegia caerulea
Chrysanthemum Chrysanthemum morifolium
Coral bells Heuchera sp.

Fruit Intolerant of Juglone

Blackberry Rubus sp.
Blueberry Vaccinium sp.
Domestic grape Vitis sp.
Pear Pyrus communis

Vegetables Intolerant of Juglone

Alfalfa
Asparagus
Cabbage
Cucumber
Double-flowered Cole vegetables
Eggplant
Pepper
Potato
Rhubarb
Tomato

Plants Resistant or Tolerant of Juglone

The following plants are observed to grow well in close proximity to walnut trees. This list is
based only on observation and experience, not scientific experiments. It should be used for guidance only, not
regarded as definitive.

Trees Tolerant of Juglone

American Beech Fagus grandifolia
American Elm Ulmus americana
American Holly Ilex opaca
American Hornbeam Carpinus caroliniana
Black Gum Nyssa sylvatica
Black Locust Robinia pseudoacacia
Black Maple Acer nigrum
Black Oak Quercus velutina
Boxelder Acer negundo
Callery Pear Pyrus calleryana
Carolina Silverbell Halesia carolina
Catalpa Catalpa bignonioides
Chestnut Castanea dentata
Dogwood, Flowering Cornus florida
Flowering Dogwood Cornus florida
Fringetree Chionanthus sp.
Goldenrain Koelreuteria paniculata
Hackberry (Common) Celtis occidentalis
Hawthorn Crataegus sp.
Hemlock Tsuga canadensis
Hickory Carya sp.
Honeylocust Gleditsia triacanthos
Japanese Maple Acer palmatum, & cvs.
Lenten/Christmas Rose Helleborus sp.
Mulberry Morus sp.
Norway Spruce Picea abies
Ohio Buckeye Aesculus glabra
Pawpaw Asimina triloba
Persimmon Diospyrus virginiana
Poplar Populus sp.
Purple Leaf Sandcherry Prunus cistena
Red Maple Acer rubrum
Red Oak Quercus rubra
Redbud Cercis canadensis
River Birch Betula nigra
Sassafras Sassfras albidum
Sycamore Platanus occidentalis
Tree of Heaven Ailanthus altissima
Tuliptree Liriodendron tulipifera
White Ash Fraxinus americana
White Oak Quercus alba
Willow Salix sp.
Witchhazel Hamamelis sp.
Evergreens
Arborvitae Thuja sp.
Canadian Hemlock Tsuga canadensis
Chinese Juniper Juniperus chinensis
Red Cedar Juniperus virginiana

Herbaceous Perennials, Spring Tolerant of Juglone

Wildflowers and Bulbs Tolerant of Juglone

Anemone, American Wood Anemone quinquefolia
Aster Aster sp.
Astilbe Astilbe sp.
Bee Balm Monarda sp.
Bell Flower Campanula sp.
Big Merrybells Uvularia grandiflora
Black-eyed Susan Rudbeckia hirta
Bleeding Heart Dicentra spectabilis
Bloodroot Sanguinaria canadensis
Bugleweed Ajuga reptans
Bush Clover Lespedeza sp.
Buttercup Ranunculus sp.
Christmas Fern Polystichum sp.
Chrysanthemum (some) Chrysanthemum sp.
Cinnamon Fern Osmunda cinnamomea
Common Yarrow Achillea millefolium
Coral Bells Heuchera sp.
Cranesbill Geranium sp.
Daffodil (some) Narcissus sp.
Daylily Hemerocallis sp
Dog’s Tooth Violet Erythronium americanum
Dutchman’s Breeches Dicentra cucullaria
Epimedium Epimedium sp.
Evening Primrose Oenothera sp.
False Dragonhead Physostegia sp.
Gentian Gentian sp..
Glory-of-the-Snow Crocus Chionoodoxa luciliae
Goldenrod Solidago, sp.
Gold Moss Sedum acre
Grape Hyacinth Muscari sp
Grasses most types
Hollyhock Alcea rosea
Hosta (many) Hosta sp.
Hyacinth Hyacinthus
Jack-in-the-Pulpit Arisaema
Jacob’s Ladder Polemonium reptans
Jerusalem Artichoke Helianthus tuberosus
Joe Pye Weed Eupatorium sp.
Lamb’s Ear Stachys byzantina
Leopard’s Bane Doronicum sp.
Liriope Liriope sp.
Lobelia Lobelia sp.]

Shrubs Tolerant of Juglone

Adam’s Needle Yucca sp.
American Barberry Berberis canadensis
Amur Honeysuckle Lonicera maackii
Arrowwood Viburnum Viburnum dentatum
Barberry Berberis sp.
Beautybush Kolkwitzia amabilis
Black Raspberry Rubus occidentalis
Blackhaw Viburnum Viburnum prunifolium
Currant Ribes sp.
Elderberry Sambucus sp.
Euonymus Euonymus sp.
Exbury Rhododendron Rhododendron
hybrids
Forsythia Forsythia sp.
Fragrant Sumac Rhus aromatica
Fringe Tree Chionanthus virginicus
Hazelnut Corylus americana
Honeysuckle Lonicera sp.
Kerria Kerria japonica
Koreanspice `Viburnum Viburnum carlesii
and cvs.
Mapleleaf Viburnum Viburnum acerfolium
Mockorange Philadelphus sp.
New Jersey Tea Ceanothus americanus
Ninebark Physocarpus opulifolius
Peony (some) Paeonia
Purple Raspberry Rubus odoratus
Quince Pseudocydonia oblonga
Rose of Sharon Hibiscus syriacus
Shrubby St. John’s Wort Hypericum
prolificum
Smooth Sumac Rhus glabra
Viburnum (most) Viburnum
Wild Rose Rosa sp.
Vines
Bittersweet Celastrus sp.
Clematis Clematis sp.
Dutchman’s Pipe Aristolochia durior
Grape Vitis sp.
Honeysuckle Vine Lonicera sp.
Morning Glory Convolvulus sp.
Red Cardinal Ipomoea multifidia
Sweet Autumn Clematis ternifloria
Virginia Creeper Parthenocissus sp.
Virgin’s  Bower Clematis virginiana

Annuals Tolerant of Juglone

Fibrous begonia Begonia
Tuberous Begonia ‘Nonstop’ variety
Horned Violet Viola cornuta
Impatiens Impatiens sp.
Johnny Jump-up Viola tricolor
Morning Glory ‘Heavenly Blue’ Ipomoea
Pansy Viola wittrockiana
Pot Marigold Calendula officinalis
Zinnia Zinnia sp.

Fruits Tolerant of Juglone

Peach, Nectarine, Cherry Plum Prunus sp.
Pear Pyrus sp.
Black Raspberry Rubus occidentalus
Quince Cydonia oblongata

Vegetables Tolerant of Juglone

Beans
Beets
Carrots
Corn
Melons
Onions
Parsnips
Squash

 

The Tolerant Plants That I’ll Grow

  • crabapple
  • dogwood, flowering
  • elderberry
  • forsythia
  • hibiscus
  • holly, American
  • honeysuckle, amur; tatarian
  • hydrangea
  • lilac
  • maple, red; sugar; black; Japanese
  • sumac
  • viburnums [some species]
  • witchhazel

Tolerant vines, ground covers and flowers

  • anemone
  • aster
  • astilbe
  • bee balm
  • begonia
  • bittersweet
  • calendula
  • clematis (virginsbower)
  • coral bells
  • creeper, Virginia
  • daffodil
  • daisy, shasta
  • daylily
  • evening primrose
  • fern
  • geraniums, hardy
  • goldenrod
  • grape, wild
  • hollyhock
  • hosta
  • hyacinth, grape; oriental
  • iris, siberian
  • ironweed
  • jack-in-the-pulpit
  • lamb’s ear
  • liriope
  • lobelia
  • Lungwort Pulmonaria sp.
    May Apple Podophyllum peltatum
    Meadow Rue Thalictrum sp.
    Milkweed, Common Asclepias syriaca
    Orange Hawkweed Hieracium aurantiacum
    Ostrich Fern Matteuccia struthiopteris
    Pachysandra Pachysandra sp.
    Peppermint Mentha piperita
    Perennial Sunflower Helianthus sp.
    Periwinkle Vinca minor
    Phlox, Creeping Phlox subulata
    Phlox, Summer Phlox paniculata
    Primrose Primula sp.
    Sedges Carex sp.
    Sensitive Fern Onoclea sensibilis
    Shasta Daisy Leucanthemum
    Siberian Iris Iris sibirica
    Siberian Squill Scilla siberica
    Sneezewort Helenium
    Snowdrop Galanthus nivalis
    Solomon’s Seal Polygonatum sp.
    Spanish Bluebell Endymion hispanicul
    Speedwell Veronica sp.
    Spiderwort Tradescantia virginiana
    Spring Beauty Claytonia virginica
    Stonecrop Sedum sp.
    Sweet Cicely Myrrhis odorata
    Sweet Woodruff Galium odoratum
    Sundrops Oenothera fruticosa
    Thornless Honeylocust Gleditsia triacanthos
    f. inermis
    Trillium Trillium sp.
    Tulip (‘White Volcano’, ‘Cum Laude’, Parrot
    ‘Blue Parrot’, Greigii ‘Toronto’)
    Tulipa darwin sp. (some)
    Turtlehead Chelone
    Violet Viola sp.
    Virginia Waterleaf Hudrophyllum virginianum
    Wild Ginger Asarum sp.
    Windflower Anemone sp.
    Winter aconite Eranthis hyemalis
    Wood Fern Dryopteris sp.
    Yarrow Achillea sp.