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
Join the RHS today and support our charity
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:
The RHS has devised a system of hardiness ratings to enable gardeners to assess the hardiness of garden plants
Hardiness ratings are provided for all AGM plants, and also for plants included in the RHS Plant Search.
Download the hardiness ratings (510kB pdf)
The hardiness rating serves as a general guide to growing conditions, and should be interpreted as follows:
This hardiness system was introduced by the RHS in 2012, and supersedes the H1-H4 ratings which previously accompanied the award.
the RHS today and get 12 months for the price of 9
Sign into the RHS website to read more
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