Herbaceous Plants/Bulbs: Aquilegia caerulea (Colorado Columbine) Aquilegia canadensis (Wild Columbine) Chrysanthemum morifolium (Chrysanthemum ) Habenaria lacera (Ragged fringed Orchid) Heuchera spp. (Alumroot) Lilium (Lily; Asian Hybrids) Narcissus (Daffodil) Plants Susceptible to Walnut Paeonia sp. (Peony) Rosa chinensis (Fairy Rose) Toxicity Rosa minima (Fairy Rose) Tulipa (Tulip; Merry Widow, West Point Trees: Acer saccharinum (Silver Maple) Shrubs &Vines: Aesculus octandra (Sweet Buckeye) Alnus rugosa (Smooth Alder) Amelanchier canadensis (Serviceberry) Aralia spinosa (Hercules' Club) Betula alba (White Birch) Aristolochia macrophylla (Pipe Vine) Betula Lutea (Yellow Birch) Aronia arbutifolia (Red chokeberry) Betula nigra (River Birch) Azalea sp. (Azalea) Carpinus caroliniana (American Hornbeam) Baptisia australis (Blue False Indigo) Castanea dentata (Chestnut) Ceanothus americanus (New Jersey Tea) Diospyros virginiana (Persimmon) Chionanthus virginica (Fringe-tree) Elaeagnus angustifolius (Russian olive) Cornus amomum (Silky dogwood) Fraxinus americana (White Ash) Euonymus americanus (Strawberry bush) Fraxinus nigra (Black Ash) Hydrangea sp. (Hydrangea) Hamamelis virginiana (Witch-hazel) Kalmia latifolia (Mountian Laurel) Ilex opaca (American Holly) Larix kaempferi (Japanese larch) Ilex verticillata (Michigan holly)* Ligistrum sp. (Privet) Juglans cinerea (White walnut) Lonicera canadensis (American Fly Magnolia acuminata (Cucumber Tree) Honeysuckle) Magnolia soulangiana (Saucer Magnolia) Physocarpus opulifolius (Nine-bark) Malus hopa (Hopa Crabapple) Pinus mugo (Swiss mountain pine) Malus sp. (Apples) Potentilla frutiocosa (Shrubby Cinquefoil) Morus rubra (Red Mullberry) Prunus tomentosa (Nanking cherry) Pinus resinosa (Red pine) Prunus subhirtella Pendula (Weeping Higan Pinus rigida (Pitch Pine) Cherry) Pinus strobus (white pine) Prunus viriniana (Choke cherry) Pinus sylvestis (Scotch pine) Pyracantha sp. (Firethorn) Pinus taeda (Loblolly pine) Rhododendron sp. (Rhododendron)* Prunus Americana (Wild Plum) Rhus canadensis (Fragrant Sumac) Prunus Pennsylvanica (Fire Cherry) Staphylea trifolia (Bladder Nut) Quercus stellata (Post Oak) Syrina sp. (Lilac) Quercus coccinea (Scarlet Oak) Viburnum dentatum (Arrow-wood) Salix nigra (Black Willow) Viburnum opulus (Eur. Cranberrybush Viburnum) Sambucus canadensis (Common Elderberry) Viburnum plictum (Double File Viburnum) Tilia americana (Basswood) Zanthoxylum americanum (Prickly Ash) Tilia heterophylla (White Basswood) Ulmus fulva (Slippery Elm) Vegetables/Crops: Viburnum sieboldii (Siebold Viburnum) Asparagus officinalis (Asparagus) Beta vulgaris (Sugar Beets) Fruits: Brassica oleracea var. capitata (Cabbage) Gaylussacia sp. (Huckleberry) Capsicum annuum (Pepper) Rubus spp. (Blackberry) Lycopersicon esculentum (Tomato) Rubus odoratus (Purple Flowering Medicago sativa (Alfalfa) Raspberry) Solanum melongena esculentum (Eggplant) Vaccinium corymbosum (Highbush Solanum tuberosum (Potato) Blueberry) Trifolium incarnatum (Crimson clover) Vaccinium sp. (Blueberry)
Sylva Native Nursery: Landscaping with Black Walnut Page 1