Editing Crataegus (section)

===Landscaping===
Many species and hybrids are used as [[ornamental plant|ornamental]] and street trees. The common hawthorn is extensively used in Europe as a [[hedge (barrier)|hedge]] plant. During the [[British Agricultural Revolution]] in the eighteenth and nineteenth centuries, hawthorn saplings were mass propagated in nurseries to create the new field boundaries required by the [[Inclosure Acts]].<ref>Williamson, Tom (2013), [https://books.google.com/books?id=r9JBAgAAQBAJ&dq=hawthorn+enclosures&pg=PA104 ''An Environmental History of Wildlife in England 1650 – 1950''] Bloomsbury Academic, {{ISBN|978-1-4411-0863-0}} (p. 104)</ref> Several [[cultivar]]s of the Midland hawthorn ''C.&nbsp;laevigata'' have been selected for their pink or red flowers. Hawthorns are among the trees most recommended for water conservation landscapes.{{Citation needed|reason=in what part of the world? Not in dry parts of the US, where they grow only near water|date=May 2009}}