Join the RHS today and support our charitable work
Keep track of your plants with reminders & care tips – all to help you grow successfully
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
I. hoogiana is a rhizomatous perennial with erect mid-green foliage up to 50cm long. In late spring or early summer it produces mid-blue, fragrant flowers
I. laevigata is a rhizomatous perennial to 70cm in height, with erect, sword-shaped leaves and rich purple flowers 8-10cm in width, each fall with a narrow white flash at the base
'Apricorange' is a vigorous perennial with glaucous foliage and flowering stems to 90cm in height, bearing up to 8 large flowers with pale apricot-orange standards and pale beige falls tinged with pink; beard deep orange
» Show all plant results
Iris like to be moist in the spring when they are growing and dry during the summer when they are dormant...These iris cultivars will be available to buy from Jacques Amand in autumn 2016...Iris photographed at the RHS London Early Spring Plant Fair 2016...
Iris sawfly has greyish-brown larva that reach 25 mm in length and eat the foliage of flag iris ( Iris pseudacorus ) and other waterside irises, including Iris spuria, I
Iris diseases can be caused by fungi, bacteria or viruses...Check iris bulbs before planting and discard any with softening, decay or black inky patches on the scales...These include Bearded Iris Mosaic Virus, Iris Mild Mosaic Virus and Iris Severe Mosaic Virus...
plants/articles/misc/try-a-different-iris Click the above image to read about trying something different in the way of irises in your garden from Anne Blanco White, RHS Iris committee member
Iris graminea is one to buy, or beg, in flower to make sure that you have a well-scented form...Irises for dry soil (bearded iris
2017 Exciting new iris from America's top breeders make it to Britain...Iris sibirica 'Penny Whistle', 'Charming Billy' and 'Unbuttoned Zippers...You can order Iris ?Charming Billy? , ?Penny Whistle? and ?Unbuttoned Zippers? from Hayloft Plants
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.