Hawthorn berries number from the genusCrataegus , part of the Rosaceae family , which include roses , orchard apple tree , and cherries . With over 200 specie identified , unwashed unity includeCrataegus monogyna(common hawthorn ) andCrataegus laevigata(Midland haw ) , both native to temperate regions of the Northern Hemisphere . The nameCrataegusderives from the Greek “ kratos ” ( strength ) and “ akis ” ( sharp ) , meditate the works ’s tough wood and thorny branches . These deciduous shrubs or minuscule Sir Herbert Beerbohm Tree produce false fruit — small , orchard apple tree - like fruits — technically Charles Edward Berry in common usage , though botanically distinct due to their seminal fluid construction . hybridizing is frequent within the genus , complicating precise species counts , with estimate historically ranging from 100 to over 1,000 microspecies .
Hawthorn flora range from shrubs ( 5 - 15 pes ) to trees ( up to 50 foot ) , with setaceous arm , legato grey-headed barque in young that fissures with age , and lob , serrated farewell ( 1 - 6 inch long ) turning yellow to Bolshevik in fall . Flowers bloom in late give , white or pinkish , in cluster , often with a faint suspect scent due to trimethylamine , attract midge for pollenation . The berries , or “ haw , ” are small ( 0.5 - 1 in ) , round to oval , ripening red , orangish , chicken , or black from late summertime to winter , with a single seed ( or up to five in some species ) inside a hard endocarp . The penchant is subtly unfermented and tart , akin to an unripe Malus pumila or crabapple , with a ironic , mealy texture that motley — some find it bland , others mildly pleasant , improving after frost or with ready into jamming or jelly .
Hawthorn has a rich history go out back millions of years , with fossils from the Eocene epoch ( over 30 million years ago ) found in North America , suggesting an ancient lineage mayhap linked to Europe via the North Atlantic Land Bridge . autochthonous hoi polloi in North America , like the Kutenai , used cerise and black hawthorn Chuck Berry as food , while in Europe , C. monogynawas a hedge plant and famine nutrient by medieval times . Ancient Greeks , include Dioscorides in the 1st century AD , take down its medicinal role , though not specifically for the heart until afterwards . By the Middle Ages , it symbolized security in folklore — used against witches and vampires — and arrive at herbal fame in the 19th century for cardiovascular benefit , a use validated by modern enquiry . Its spread to North America find out it naturalise , sometimes invasively , as withC. monogyna .
Crataegusspecies are sturdy across USDA zones 3 - 9 , depend on the variety , withC. monogynaandC. laevigatathriving in zones 4 - 8 . They adapt to diverse climate , from cold winters ( down to -30 ° F/-34 ° C in zone 3 ) to soft summertime , though most opt zona with distinct time of year for quiescence and flowering . Frost tolerance varies — C. phaenopyrum(Washington haw ) excels in zone 4 - 8 , whileC. pinnatifida(Chinese hawthorn ) suits zones 5 - 9 . They want full sunlight ( 6 - 8 time of day day by day ) and well - drained grunge , tolerate drouth once establish but not waterlogging . In hotter zone ( 8 - 9 ) , they may require partial shade to avoid stress , while colder extremes demand wind protection .