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S. Christopher Marble and Stephen H. Brown

reduce the prevalence and establishment of native species, interfere with natural ecological properties such as nutrient cycling or hydrology, and reduce wildlife resources including food and habitat ( Pysek et al., 2012 ; Weidlich et al., 2020 ). On a

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Mack Thetford, Jeffrey G. Norcini, Barry Ballard, and James H. Aldrich

Ornamental and native grasses are increasing in popularity in southern United States gardens, as exemplified by evaluations in Florida ( Wilson and Knox, 2006 ), Georgia ( Corley and Reynolds, 1994 ; Ruter and Carter, 2000 ), and South Carolina

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Heather Kalaman, Sandra B. Wilson, Rachel E. Mallinger, Gary W. Knox, and Edzard van Santen

modified areas may buffer temporal gaps in pollen and nectar resource availability ( Erickson et al., 2020 ; Salisbury et al., 2015 ; Seitz et al., 2020 ). Native and nonnative ornamentals have been investigated by some for their attractiveness to

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Nisa Leksungnoen, Roger K. Kjelgren, Richard C. Beeson Jr., Paul G. Johnson, Grant E. Cardon, and Austin Hawks

Urban landscape plants are often grown well beyond the environmental boundaries of their native range, particularly in regard to precipitation. Irrigation mitigates water stress for plants from mesic habitats grown in arid region urban landscapes

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Valtcho D. Zheljazkov, Charles L. Cantrell, Tess Astatkie, and Ekaterina Jeliazkova

‘Scotch’ spearmint ( Mentha × gracilis Sole. = M. cardiaca L.) and ‘Native’ spearmint ( Mentha spicata L.) are well-known and widely grown essential oil crops in many countries, including the United States ( Bienvenu et al., 1999 ; Lawrence

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Peter J. Zale, Melissa K. McCormick, and Dennis F. Whigham

species of global conservation concern ( Krupnick et al., 2013 ). Guidance on growing some native orchids is available ( Mathis, 2005 ; Seaton and Ramsey, 2005; Tullock, 2005 ), but none of those publications provide information on propagating native

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Charles R. Brown, David Culley, Meredith Bonierbale, and Walter Amorós

subset of the extant variation in native Andean cultivars. These colors are primarily red and blue anthocyanins that are present in skin or flesh to varying degrees and yellow to orange carotenoids in the flesh that display a broad variation in content

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Lav K. Yadav, Edward V. McAssey, and H. Dayton Wilde

Rhododendron canescens (Michaux) Sweet is a deciduous shrub commonly known as Piedmont azalea or sweet azalea. It is a diploid species (2 n = 26) that has a native range in the southern United States from Texas to North Carolina. R. canescens is

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Michael J. Costello

irrigation water or a high soil water table. Non-native grasses maintained during the growing season compete with the grapevines for water and nitrogen and have led to reductions in grapevine vigor and yield. A cover crop of ‘Berber’ orchardgrass ( Dactylis

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Michael A. Schnelle

In most settings, native germplasm proves, in the worst-case scenario, to be “weedy” and, occasionally, invasive. A weed is normally defined as a plant, native or non-native, that is not valued where it is growing ( U.S. Department of Agriculture