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.
Begin a new search
All ratings refer to the UK growing conditions unless otherwise stated. Minimum
temperature ranges (in degrees C) are shown in brackets
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.
'Deutschland' is a compact plant to 60cm tall, with glossy green foliage and open, slightly arching sprays of white flowers in late spring or early summer
A. tabularis is a vigorous perennial to 1.5m in height, with rounded leaves to 100cm across, and small cream flowers
'Vision in Red' is an herbaceous perennial, to 50cm in height, with divided, mid-green to bronze leaves and panicles of purple-red flowers, giving a plume-like appearance, in late summer and early autumn
A. chinensis var. davidii is one of the tallest, growing to 2m, with bronze-tinted leaves and erect panicles of purplish-pink flowers in late summer
A. rivularis var. myriantha is a perennial to 1.8m, forming a bold clump of handsome, divided foliage, with greenish-white flowers borne in large, branched and drooping sprays in summer giving a graceful effect. Flowers late in the season
A. glaberrima var. saxatilis is a dwarf herbaceous perennial to 15cm, with glossy bronze-green, deeply divided leaves and short sprays of pink-tinged white flowers
'Bronce Elegans' is a compact herbaceous perennial to 30cm, with attractively divided green leaves flushed with bronze when young, and open sprays of creamy-pink flowers tinged salmon
A. rivularis is a perennial to 1.8m, forming a bold clump of handsome, divided foliage, with greenish-white flowers borne in large arching sprays in summer
'Brautschleier' is a perennial to 70cm in height, with glossy, divided, bright green leaves and large, branched, open sprays of pure white flowers opening from green buds
A. koreana is a herbaceous perennial with bright green, divided leaves and plumes of creamy-white, or pale pink flowers up to 60cm tall in summer
Choose from hundreds of plants, bulbs, seeds and gardening products from our online shop.
Save now on all plants
& bulbs from the RHS Plants Shop
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