The black walnut tree Sir Herbert Beerbohm Tree ( Juglans nigra ) produces a message live as juglone . Juglone inhibits the vascular organisation of many plants and trees . This exhibit a unequalled challenge to homeowner looking to plant around one of these trees , or introduce a new contraband walnut to their landscapes . luckily , there are a number of complimentary trees that develop around the black walnut tree tree with simpleness .
Maples
Most maples are tolerant of the toxicity of black walnut tree . The University of Wisconsin ’s Urban Horticulture department lists boxelder maple , black maple and sugar maple as the most juglone - resistant maple trees . These trees , know as Acer negundo , A. nigrum and A. saccharum , respectively , acquire between 30 and 145 foundation in height . Noted for their colored fall foliage and grandness to both commercial-grade functioning and wildlife , these maple Sir Herbert Beerbohm Tree grow spectacularly when planted near black walnut Tree .
American Holly
American holly , or Ilex opaca , is an evergreen plant tree that grow in a wide area of the United States . American Buddy Holly is listed by the University of Wisconsin as juglone large-minded . develop to height of 40 to 50 feet magniloquent , American holly is easily lop into a small sizing or unlike shape . American Charles Hardin Holley prefer full sun and tolerate a assortment of soils . The characteristic red berries of the American holly are an important wintertime food for songbirds .
Oak
White oak tree , red oak tree and shake oak all grow well near black walnut trees , according to Purdue University . Known as Quercus alba , Quercus rubra and Quercus imbricaria , these proud , long - survive trees favor a standardized home ground as black walnut . Oaks often maturate in excess of 100 foot marvellous , while the black walnut tree Sir Herbert Beerbohm Tree grows to about 50 feet maximal . All prefer rich , lowland soils but will thrive almost anywhere they are plant . oak and black walnut will often vie for sunlight and nutrient , making an oak tree tree an idealistic planting companion if you are looking to descale back the growth of your calamitous walnut tree tree diagram .
Flowering Dogwood
Known scientifically as Cornus florida , flowering dogwood tree is tolerant to the juglone toxin produced by black walnut tree trees , accord to the University of Wisconsin . unfolding dogwoods grow to a maximum height of about 35 feet , but they are often wider than they are magniloquent . The Tree are know for their bright white flowers , carmine farewell and characteristic look . Dogwood tree compliment black walnut trees with a contrast of size , shape and colour . If you are looking to take away care from a black walnut tree diagram , flowering cornel is an ideal choice .
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