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
Join the RHS today and support our charity
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.
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 2002
the RHS today and get 12 months for the price of 9
Other common names
field scabious bachelor's buttons
black soap blue buttons blue caps clodweed Egyptian rose gypsies' rose gypsy rose lady's cushion purple buttons scabridge
Scabiosa montana Mill.
Knautia can be annuals or perennials, and may have simple or pinnately lobed leaves and scabious-like flower-heads
K. arvensis is a clump-forming perennial with lax stems bearing simple or pinnately lobed leaves and lilac-blue flowerheads to 4cm across in summer and 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 North-facing or West-facing or East-facing
Exposure Exposed or Sheltered
SoilLoam, Chalk, Sand
Time to ultimate height
Grow in a moderately fertile, well-drained, preferably alkaline soil in full sun. Attractive to bees
Propagate by seed in pots in a cold frame in spring or propagate by basal cuttings in spring
Suggested planting locations and garden types
Cottage & Informal Garden Wildflower meadow Wildlife Gardens
Pruning Old flower stems can be cut down after flowering
Pests May be attacked by aphids
Generally disease free
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
Buy from £2.49 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