To mark the 100th anniversary of the Chelsea Flower Show the RHS are asking you to help chose their centenary plant.
Staff and patients from Headley Court have been displaying their work at the Chelsea Flower Show.
It was a chance for soldiers to show how successful horticulture therapy has become at rehabilitation centre in Surrey.
The Chelsea installation, designed by Geoff Whiten, is an example of a permanent garden that has been built at Headley Court.
It's a collaboration with military charity Gardening Leave, who work with the Armed Forces community to improve the mental and physical wellbeing of personnel.
A "drought-friendly" garden, which aims to demonstrate how householders can keep their gardens beautiful - even through a hosepipe ban - is among the exhibits at this year's Chelsea Flower Show.
The 'Naturally Dry' garden uses native drought-resistant plants like ferns, and also shows how gardeners can make best use of any rainfall they do get.
Despite the recent wet weather, London and the south-east are still officially in drought.
The Queen and the Duke of Edinburgh will have a private tour of the Chelsea Flower Show today, before it opens to the public on Tuesday.