Black Walnut List

BLACK WALNUT TOLERANT PLANTS

The roots, leaves, and nut of the black walnut, pecan, butternut, and hickory trees produce “Juglone”, which is toxic to many plants.  The following plants are generally tolerant of this toxin:

Annuals:

Ageratum                    Morning Glory

Begonia                       Pansy

Calendula                    Sweet Potato Vine

Lobelia                        Zinnia

 Bulbs:

Crocus

Chionodoxa – Glory-of-the-Snow

Eranthis – Winter Aconite

Galanthus – Snowdrop

Hyacinthoides – Spanish Bluebell, Wood Hyacinth

Muscari – Grape Hyacinth

Narcissus – Daffodil

Scilla siberica – Siberian Squill

Tulipa – Tulip

Trees:

Acer spp. – Maples

Amelanchier spp. – Serviceberry

Betula spp.  – Birches

Carpinus caroliniana – American Hornbeam

Carya spp. – Hickory

Castanea dentata – Chestnut

Catalpa spp.

Cercis canadensis – Eastern Redbud

Crataegus spp. – Hawthorn

Fagus grandifolia – Beech

Gleditsia triacanthos inermis – Honeylocust

Hamamelis spp. – Witchhazel

Liquidambar styraciflua – Sweet Gum

Liriodendron tulipifera – Tuliptree

Magnolia acuminata – Cucumber Magnolia

Nyssa sylvatica – Black Gum

Prunus Americana – Black Cherry

Prunus serotina – American Plum

Quercus spp. – Oak

Salix spp. – Willow

Rhus typhina – Staghorn Sumac

Robinia pseudoacacia – Black Locust

Sassafras albidum – Sassafrass

Thuja spp. – Arborvitae

Tsuga canadensis – Eastern Hemlock

 

 Vines:

Aristolochia durior – Dutchman’s Pipe

Clematis spp.

Lonicera spp. – Honeysuckle

Parthenocissus spp. – Virginia Creeper

Vitis spp. – Wild Grape

Vegetables:

Beans                          Most Herbs

Beets                           Onions

Carrots                        Parsnips

Corn                            Squash

Melons

 Fruit Trees and Shrubs:

Black Raspberry

Cherry

Currant

Elderberry

Nectarine

Pawpaw

Peach

Persimmon

Plum

Shrubs:

Chionanthus virginicus – Fringe Tree

Cornus altenifolia – Pagoda  Dogwood

Corylus americana – American Hazelnut

Forsythia spp.

Hibiscus syriacus – Rose of Sharon

Hypericum prolificum – St. Johnswort

Juniperus spp. – Junipers

Kolkwitizia amabilis – Beautybush

Lespedeza spp. – Bush Clover

Lindera benzoin – Spicebush

Lonicera spp. – Honeysuckle

Physocarpus opulifolius – Ninebark

Rhododendron spp.

Rhus aromatic – ‘Gro-Lo’ Sumac, et al.

Rosa spp. – Roses

Viburnum acerfolium – Maple-leaf Viburnum

Viburnum carlesii – Koreanspice Viburnum

Viburnum dentatum –Arrowwood Viburnum

Yucca spp.

 Perennials:

Ajuga – Bugleweed

Alcea  – Hollyhock

Anemone  – Windflower

Arisaema triphllyum – Jack-in-the-Pulpit

Asarum – Wild Ginger

Aster

Astilbe

Campanula  – Bellflower

Chrysanthemum

Dicentra – Bleeding Heart

Eupatorium – Joe-Pye Weed

Ferns

Galium odoratum – Sweet Woodruff

Geranium – Cranesbill

Helianthus

Hemorcallis – Daylily

Heuchera – Coral Bells

Hosta

 Iris sibirica

Lobelia – Cardinal Flower

Monarda – Bee Balm

Oenothera – Evening Primrose

Phlox paniculata

Physostegia – Obedient Plant

Polemonium – Jacob’s Ladder

Polygonatum – Solomon’s Seal

Pulmonaria – Lungwort

Rudbeckia – Black-Eyed Susan

Sedum – Stonecrop

Solidago – Goldenrod

Stachys byzantina – Lamb’s Ear

Tradescantia – Spiderwort

Trillium

Veronica – Speedwell

Viola