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
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.
'Firebird' is a clump-forming, evergreen perennial to 2m tall with upright or slightly drooping sword-like leaves rangeing in colour from bronze-green through purple-green to bronze-orange with bright red stripes and margins. In summer, erect stems bearing panicles of tubular red flowers may appear
'Corky' is a compact perennial making a clump to 70cm in height, with grassy foliage and open trumpet-shaped lemon yellow flowers, 6cm in width, with mahogany stalks
'Whichford' is a perennial to 1.2m in height, forming a clump with narrow leaves and slender stems bearing very fragrant, narrowly trumpet-shaped pale greenish-yellow flowers, to 10cm in width
'Marion Vaughn' is a clump-forming evergreen perennial, to 1m in height, with narrow evergreen leaves and fragrant, pale lemon-yellow flowers with white midribs, to 10cm across
'Stella de Oro' is a compact deciduous perennial, to 30cm tall, with fragrant, rounded, canary yellow flowers with orange throat, to 7cm wide
'Ruby Spider' is a large-flowered cultivar producing trumpet-shaped, yellow-throated blooms with broad, rusty-red petals
'Luxury Lace' is a clump-forming perennial with narrow, upright, semi-evergreen leaves and an overall height of about 80cm. The star-shaped flowers, 10cm across, orange with a green throat, are produced over a long period in summer
'Missenden' is a clump-forming perennial, to 1.1m in height, with narrow, mid-green leaves and flowers, 15cm in width, with recurved reddish-orange segments, yellow at the base
'Garnet Lustre' is an erect, clump-forming perennial to 80cm tall. Dark red flowers with yellow throats, up to 14cm across, are borne in summer
'Chicago Sunrise' is a herbaceous perennial producing clumps of narrow, evergreen leaves with an overall height of about 70cm. The orange flowers, with a red haze around the green throat, are 15cm across and produced over a long period 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.