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A hybrid, intermediate in features between its parents T. platyphyllos and T. tomentosa.
Distribution Montenegro and other parts of SE Europe where the parents grow together
USDA Hardiness Zone 5
RHS Hardiness Rating H6
Tilia × haynaldiana was described by Simonkai in 1887 to describe natural hybrids between Tilia platyphyllos (Broad-leaved Lime) and T. tomentosa (Silver Lime), which occur rarely in parts of Europe where both species grow together, though the much later flowering of the Silver Lime would generally pose a barrier to cross-fertilisation (Pigott 2012). One such tree was recorded by Donald Pigott in 1986, in a wooded doline on karst near Kolasin in Montenegro (Pigott 2012). Cultivated specimens of T. × juranyana (often labelled T. tomentosa f. virescens) look very similar.
A tree labelled Tilia × haynaldiana in the late Maurice Mason’s garden at Beachamwell, Norfolk, was 14 m, dbh 53 cm in 2009; there are younger trees at Wakehurst Place and the Sir Harold Hillier Gardens, Hampshire. Also at the the Hillier Gardens are two trees catalogued as hybrids of Tilia platyphyllos with T. tomentosa ‘Orbicularis’. The larger was 17 m, dbh 44 cm in 2017 (Tree Register 2018).
A narrow tree with leaves grey-felted underneath. Named in Canada and sold after 1965 by the Sheridan Nurseries, Ontario, it is of Polish origin. It appears to be a cross that occurred in the Warsaw Botanic Garden soon after 1900, which has sometimes been sometimes grown as Tilia × varsoviensis Kobenza in Europe. Some authorities consider it to be a cultivar of T. tomentosa (Jablonski & Plietzsch 2014). The name honours the landscape architect Janina Stensson (Wyman 1966). There is an example, planted in 1971, in the University of Guelph Arboretum, Canada (University of Guelph 2020).