https://pfaf.org/USER/Plant.aspx?LatinName=Corylus+tibetica
Corylus tibetica is a deciduous Tree growing to 15 m (49ft 3in). See above for USDA hardiness. It is hardy to UK zone 7. It is in flower from April to May, and...
plant databasecoryluspfaf
https://www.rhs.org.uk/plants/373929/corylus-avellana-purple-umbrella-(-jm-251-pbr)/details
Find help & information on Corylus avellana Purple Umbrella ('Jm 251'PBR) hazel [Purple Umbrella] Trees from the RHS
corylus avellanapurpleumbrellajmpbr
https://pfaf.org/User/Plant.aspx?LatinName=Corylus+chinensis
Corylus chinensis is a deciduous Tree growing to 24 m (78ft 9in). See above for USDA hardiness. It is hardy to UK zone 6. It is in flower from April to May,...
corylus chinensischinese hazelplant databasepfaf
https://pfaf.org/USER/Plant.aspx?LatinName=Corylus+maxima
Corylus maxima is a deciduous Shrub growing to 6 m (19ft) by 5 m (16ft). See above for USDA hardiness. It is hardy to UK zone 5 and is not frost tender. It is...
corylus maximaplant databasefilbertgiantpfaf
https://www.rhs.org.uk/plants/305610/corylus-avellana-ennis-(f)/details
Find help & information on Corylus avellana 'Ennis' (F) from the RHS
corylus avellanaennisfrhs
https://www.hortweek.com/tree-week-corylus-colurna-agm/landscape/article/1847572
Tree a Week - Corylus colurna AGM - from HortWeek
corylus colurnatreeweekagm
https://pfaf.org/user/plant.aspx?LatinName=Corylus+sieboldiana+mandschurica
Corylus sieboldiana mandschurica is a deciduous Shrub growing to 4.5 m (14ft 9in). See above for USDA hardiness. It is hardy to UK zone 6. It is in flower from...
corylus sieboldianaplant databasehairyhazeljapanese