Join the RHS today and support our charitable work
Keep track of your plants with reminders & care tips – all to help you grow successfully
For the latest on RHS Shows in 2021, read more
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
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.
Join the RHS today and get 12 months for the price of 9
Other common names
Seville orange bigarade
bitter orange marmalade orange sour orange
Citrus × aurantium subsp. myrtifolia Citrus natsudaidai
Citrus hybrida Citrus reshni Citrus × aurantium var. myrtifolia Citrus kotokan Citrus myrtifolia Citrus grandis var. kotokan Citrus bigaradia
Citrus are typically evergreen shrubs or trees, frequently spiny, with simple, leathery, aromatic leaves, usually with winged stalks, and often fragrant white or pink-tinged flowers, followed by large, juicy fruits
C. x aurantium is a spiny tree, with rounded crown and mid green leaves 7-10cm long. From late spring to summer it bears fragrant white flowers 2cm across singly, in pairs or clusters that are followed by slightly flattened-spherical, red-tinted orange fruit 5-7cm in diameter
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
Aspect West-facing or South-facing
MoistureMoist but well-drained
SoilClay, Loam, Sand
Time to ultimate height
Citrus cultivation - grow outdoors in full sun in frost-free areas with a well-drained, neutral or acidic soil. Under glass grow in loam-based potting compost in full light at minimum of 3-5°C
Propagate by seed (seedlings will not come true to type) or semi-ripe cuttings
Suggested planting locations and garden types
City & Courtyard Gardens Architectural Patio & Container Plants
Pruning Pruning group 1
Pests Can get citrus red spider mite and glasshouse red spider mite, soft scale and fluted scale, aphids, caterpillars and mealybugs under glass
Generally disease free
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.