Join the RHS today and support our charitable work
Free personalised gardening advice
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 have forgotten my password
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.
S. erythraeum is a mat-forming, evergreen perennial with open rosettes of succulent, ovate to spoon-shaped leaves coloured green with a purple tinge and covered with dense, short hairs giving the leaves a velvety look. Flowering stems, up to 20cm long, carry pink to reddish-purple flowers up to 2cm in diameter
'Othello' is an evergreen cultivar with large dark red rosettes of broad leaves. Starry pink flowers are borne by older rosettes in summer. Although individual rosettes die after flowering, each plant will survive by forming offsets
S. altum is an evergreen, mat-forming perennial comprising rosettes, up to 4cm across, of light green, hairy, succulent leaves with tips that turn red in strong light. Offsets are produced on stolons that are up to 12cm long and pink to purple flowers, with yellow anthers, are held above the foliage on stems up to 40cm tall
'Green Dragon' is an evergreen, mat-forming perennial comprising compact rosettes of bright green, red-tipped, hairy, oval to oblong leaves. Leafy flowering stems, to 20cm tall, bear clusters of pink flowers in summer
S. arachnoideum var. bryoides is a mat-forming, evergreen perennial, to 12cm tall, comprising very small rosettes, up to 1cm in diameter, of oval, fleshy green leaves tipped with red and covered in a web of white hairs. Mature rosettes can form a stem with a terminal cluster of pink flowers in the summer
A. sempervivoides is a mat-forming evergreen perennial, producing sprays of pink to mauve-pink, yellow-eyed, scented flowers 10mm across in spring. The eyes turn red with age, and the flower stems are also red
'Blood Tip' is a mat-forming, evergreen perennial with clusters of fleshy rosettes to 10cm in width, the leaves are blue-green with variable amounts of deep red on the tips. Sprays of starry pink flowers are produced on stout stems up to 20cm tall in summer
S. ciliosum is a fleshy, mat-forming perennial with very hairy, globose grey-green rosettes to 5cm in width, and cymes of greenish-yellow flowers on stems to 10cm
'Kramer's Spinrad' is a an evergreen, mat-forming perennial comprising clusters of fleshy-leaved rosettes up to 7.5cm in diameter. The pale greyish-green leaves are flushed red and tipped with fine white hairs giving a cobweb effect. Flowering stems, up to 15cm tall, bear pink flowers in summer
'Jubilee' is a small, mat-forming, evergreen perennial, to 15cm tall, with medium-sized rosettes of hairy leaves; each rosette up to 2.5cm in diameter. Leaves are a pale green with a deep maroon flush in spring and early summer before turning back to green in late summer. Pale pink flowers are borne on stout stems 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.