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.
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:
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.
© RHS 2000
the RHS today and get 12 months for the price of 9
Other common names
Rudbeckia may be annuals, biennials or rhizomatous herbaceous perennials, with simple or pinnately divided leaves and large daisy-like flower-heads with yellow or orange rays surrounding a prominent conical disk
R. fulgida var. deamii is a clump-forming, erect herbaceous perennial to 60cm, with oval, dark green, roughly hairy leaves and black-eyed bright yellow daisies to 7cm in width from late summer to mid autumn
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
Exposure Exposed or Sheltered
MoistureMoist but well-drained
SoilLoam, Clay, Chalk
pHAcid, Alkaline, Neutral
Time to ultimate height
Easy to grow if given full sun or partial shade and a moderately fertile soil that is moist but well-drained; a good choice for improved clay soils
Propagate by seed in pots in a cold frame in early spring. Propagate by division in spring or autumn
Suggested planting locations and garden types
Flower borders and beds Cut Flowers
City & Courtyard Gardens Coastal Cottage & Informal Garden Prairie Planting Wildlife Gardens
Pruning Deadhead faded flowers
Pests Slugs may damage young growth
Generally disease free
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
Buy from £4.99 at 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