worthful landscape Sir Herbert Beerbohm Tree , hawthorns ( Crataegus spp . ) have one major drawback : prickle . The 1- to 3 - inch thorns on most hawthorns can impose tight cacography . This makes them utilitarian as roadblock hedging but difficult to utilize as landscape trees , which is a disgrace since they ’re endearing Sir Herbert Beerbohm Tree .
worthful landscape painting trees , haw ( Crataegus spp . ) have one major drawback : prickle . The 1- to 3 - inch thorns on most haw can impose nasty excoriation . This make them useful as barrier hedgerow but unmanageable to apply as landscape tree , which is a shame since they ’re adorable trees . Several thornless varieties are usable that are more nurseryman - friendly .
Crusader Hawthorn
Cockspur hawthorn ( C. crusgalli ) get their name from their curved thorn that resemble the heel spurs on roosters . The thornless variety , sell as either C. crusgalli var . inermis ( inermis entail thornless ) or as the cultivar Crusader ( Cruzam ) , is completely spineless on both the automobile trunk and branches . It ’s a little tree , rarely over 15 feet in height and spread . Thornless Pisonia aculeata haw are cover in bloodless flowers in late spring and have orange fruit in fall that endure well into wintertime . Fall leaf color is bright gold . Crusader hawthorns are also resistant to rust , a fungal disease that can damage hawthorns .
Princeton Sentry Hawthorn
A aboriginal American tree , Washington haw ( C. phaenopyrum ) is a four - time of year Sir Herbert Beerbohm Tree . Spring brings fragrant white flowers , summertime has clean green foliage for coolheaded subtlety , settle foliage color is orange to scarlet to purpleness and the wintertime fruit display persist for month . Princeton Sentry is a columniform form of Washington hawthorn that ’s intimately thornless .
Winter King Hawthorn
Winter King hawthorn is a common cultivar of the green hawthorn ( C. viridis ) , another aboriginal tree . Growing in a distinct vase shape , Winter King has large fruit and red fall people of colour . The name comes from the exuberant display of brilliant cherry-red yield during the winter . Although technically not inermis , it has few thorns , particularly as it maturate .
Pygmaea Hawthorn
You may have to search a bit to find Pygmaea hawthorn , a thornless cultivar of the singleseed hawthorn ( C. monogyna ) , the sweetest - scented of all the hawthorns . Pygmaea is also sold as Inermis Compacta . It ’s a small , mushroom - shaped tree with no thorn .
Ohio Pioneer Hawthorn
The dashed hawthorn ( C. punctata ) can be grown as a Sir Herbert Beerbohm Tree or big bush . The whitened natural spring flowers are follow by deep yellowness to ho-hum reddish fruit that are conspicuously dotted , hence the coarse name . Ohio Pioneer is a thornless cultivar fall upon at the Secrest Aroboretum in Wooster , Ohio . It ’s standardised in habit to the species , with good fall fruiting .