Keep track of your plants with reminders & care tips – all to help you grow successfully
My plants
My calendar
My ideas
My advice
For the latest on RHS Shows in 2021, read more
North Yorkshire
Essex
Devon
Surrey
Greater Manchester
General enquiries 020 3176 5800 Mon – Fri | 9am – 5pm
Help us achieve our goals
Make a donation
We have combined these two powerful search tools into a single Find a Plant service searching over 250,000 plant records.
Virtually all of the features of the old searches are still available and in addition we have added several new features to create a more comprehensive and user friendly search experience.
When using this search
Search by plant name, key attributes or both to find plant details and a list of suppliers.
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.
Give the gift of RHS membership
Other common names Japanese zelkova keaki
keyaki saw-leaf zelkova
Synonyms Planera acuminata Zelkova acuminata
Zelkova keaki
Family Ulmaceae
Genus Zelkova are large deciduous trees or shrubs with neatly serrate, ovate leaves and inconspicuous flowers and fruit; good autumn colour
Details a spreading medium-sized deciduous tree with smooth grey bark and neatly toothed, lance-shaped leaves turning orange and yellow in autumn. Insignificant greenish flowers and fruits
Plant range E Asia
Foliage Deciduous
Habit Spreading / Branched
Hardiness
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H6
Full Sun
Partial Shade
Aspect South-facing or North-facing or West-facing or East-facing
Exposure Sheltered
Chalk
Clay
Loam
MoistureMoist but well-drained, Well-drained
SoilChalk, Clay, Loam
pHAcid, Alkaline, Neutral
Ultimate height Higher than 12 metres
Ultimate spread wider than 8 metres
Time to ultimate height 20-50 years
Cultivation Grow in deep, fertile, moist soil and protect from cold drying winds
Propagation Propagate by softwood cuttings from young plants in summer, grafting in winter. Propagate from seed (tree/shrub) sown outdoors in autumn
Suggested planting locations and garden types Low Maintenance
Pruning Pruning group 1
Pests Generally pest free
Diseases May be affected by Dutch elm disease
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.