Schwedler and Deborah are both bronze/red/purple-leafed cultivars of Norway maple (Acer platanoides). Schwedler has been used in U.S. landscapes since the 1890s; Deborah since the 1970s. Deborah was a seedling from Schwedler, so it is similar but not an identical tree genetically. Deborah is considered the "replacement" for 'Schwedler. Deborah is also considered to have better trunk development and branching, but winter hardiness is likely about equal. Both cultivars would be prone to the frost cracks that all Norway maples develop after large temperature swings in winter. You might notice some slight differences in flowering time, fall leaf color, date of leaf fall. and several other characteristics.
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