Help us achieve our goals:
make a donation »
Join the RHS today and support our charity
Free personalised gardening advice
RHS members get reduced ticket prices
RHS members get free access to RHS Gardens
Reduced prices on RHS Garden courses and workshops
020 3176 5800
Mon – Fri | 9am – 5pm
Make a donation
I have forgotten my password
Keep me signed in
Register for free to receive our newsletters, add comments to blogs/articles and to save content.
See what events are on near you and browse your bookmarked pages.
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
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.
© RHS 2003
the RHS today and get 12 months for the price of 9
Other common names
Japanese big-leaf magnolia
Magnolia can be deciduous or evergreen trees or shrubs, with large, showy, often fragrant flowers, often opening before the leaves, and sometimes followed by colourful cone-like fruit
M. obovata is a vigorous large deciduous tree with handsome obovate leaves up to 45cm in length. Flowers 20cm in width, creamy-white with crimson stamens, very fragrant. Fruit to 20cm in length, cone-like, bright red
Russian Kuril Islands to Japan
Habit Spreading / Branched
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
Aspect North-facing or East-facing or South-facing or West-facing
MoistureWell-drained, Moist but well-drained
SoilLoam, Clay, Sand
Higher than 12 metres
wider than 8 metres
Time to ultimate height
Grow in moist but well-drained soil in full sun or part shade with shelter from cold winds. Further magnolia cultivation advice
Propagate by seed in autumn and spring, softwood cuttings in early summer or semi-hardwood cuttings in late summer
Suggested planting locations and garden types
Cut Flowers Low Maintenance
Architectural City & Courtyard Gardens Cottage & Informal Garden Patio & Container Plants
Pruning Magnolia pruning should be carried out in midsummer when in full leaf
Pests May be damaged by horse chestnut scale, snails and capsid bug
May be affected by coral spot, grey mould, honey fungus, a virus, fungal leaf spot or iron deficiency and lime-induced chlorosis
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
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.
Join the RHS today and get 12 months for the price of 9