Make a donation
Join the RHS today and support our charity
Read our latest features
Free access to RHS Gardens
and access to member show days
Reduced prices on RHS Garden courses and workshops
Books & Gifts
020 3176 5800
Mon – Fri | 9am – 5pm
Make a donation
Register for free to receive our newsletters, add comments to blogs/articles and to save content.
We have combined these two powerful search tools into a single Find a Plant service searching over 250,000 plant records.
Virtually all of the features of the old searches are still available and in addition we have added several new features to create a more comprehensive and user friendly search experience.
When using this search
Search by plant name, key attributes or both to find plant details and a list of
AGM plants have been through a rigorous trial and assessment programme. They are:
© RHS 2000
the RHS today and get 12 months for the price of 9
Other common names
blue hedgehog globe flower
small globe thistle steel globe thistle
Echinops ritro 'Veitch's Blue' misapplied
Echinops can be annuals, biennials or perennials with simple or pinnately lobed, spiny leaves and spherical blue or whitish flower-heads
E. ritro is a robust, upright herbaceous perennial, with jaggedy-divided, prickly dark green leaves whitish beneath. Rounded, violet-blue flower heads on silvery, branched, leafy stems
C&E Europe to C Asia
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
Aspect South-facing or East-facing or West-facing
SoilSand, Loam, Chalk
pHAcid, Alkaline, Neutral
Time to ultimate height
Best in poor, well-drained soil in full sun but will tolerate most soils in full sun and can tolerate partial shade
Propagate by seed sown in seed bed in mid spring. Propagate by division in spring or autumn. Propagate by root cuttings in winter
Suggested planting locations and garden types
Flower borders and beds Cut Flowers Low Maintenance
Cottage & Informal Garden Wildlife Gardens Gravel Garden
Pruning Deadhead to prevent self-seeding
Pests Prone to aphids
Generally disease free
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
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.
Like this page on facebook
Click on the Tweet button below to compose your tweet.
Join the RHS today and get 12 months for the price of 9