Join the RHS today and support our charitable work
Keep track of your plants with reminders & care tips – all to help you grow successfully
RHS members get reduced ticket prices
RHS members get free access to RHS Gardens
Free entry to RHS members at selected times »
Reduced prices on RHS Garden courses and workshops
020 3176 5800
Mon – Fri | 9am – 5pm
Help us achieve our goals
Join the RHS today and support our charity
Begin a new search
All ratings refer to the UK growing conditions unless otherwise stated. Minimum
temperature ranges (in degrees C) are shown in brackets
AGM plants have been through a rigorous trial and assessment programme. They are:
This plant will provide nectar and pollen for bees and the many other types of pollinating insects.
It is included in an evolving list of plants carefully researched and chosen by RHS experts. Divided into 3 groups these lists, linked below, are maintained by a team of RHS staff and are reviewed annually.
C. betulus is a large deciduous tree developing a fluted grey trunk. Leaves 5-8cm long, ovate, conspicuously ribbed, turning yellow in autumn. Catkins open in spring, followed by hop-like fruiting catkins to 8cm
C. fangiana is a large, broadly conical tree with smooth grey bark. The narrowly oval, double-toothed leaves have prominent veins and are up to 27cm long. They emerge purple-bronze in spring, becoming olive-green. Pale green, papery catkins up to 30cm long appear in spring, gradually fading to tawny brown
C. japonica is a spreading deciduous tree of elegant appearance, with glossy, prominently veined leaves and conspicuous green fruiting catkins turning pale brown with maturity
C. caroliniana is a small, deciduous tree to around 10m tall with branches that droop at the tips and fluted, grey bark. The bright green leaves are ovate, serrated and prominently veined and turn shades of orange, yellow and red in autumn. Green catkins borne in spring are followed by fruiting clusters around 7cm long in autumn
'Columnaris' is a slow-growing, deciduous tree to 8m tall, spire-like when young with densely-branched and leaved growth before maturing to form an ovoid crown. Its ovate, serrate and ribbed leaves turn yellow in autumn
'Pendula' is a slow-growing, deciduous, weeping tree to 6m tall with a dense, spreading crown. Its ovate, serrated, prominently veined leaves turn yellow and orange in the autumn
'Fastigiata' is a medium-sized deciduous tree; crown narrow when young, becoming compact and ovoid. Leaves ovate, ribbed and finely serrate, turning yellow in autumn. Fruiting catkins conspicuous, to 8cm in length
Listed in the RHS Plant Finder
This plant is listed in the RHS Plant Finder book. At present our information about this plant is limited to a list of the nurseries that supply it. In time we will be adding more details including a description, growing information, advice and photographs.
Over 72,000 plants and where to buy them
Britain’s best gardening annual, available now from RHS Mail Order and all good bookshops.
Choose from hundreds of plants, bulbs, seeds and gardening products from our online shop.
Save now on all plants
& bulbs from the RHS Plants Shop
We're a UK charity established to share the best in gardening. We want to enrich everyone's life through plants, and make the UK a greener and more beautiful place.