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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.
the RHS today and get 12 months for the price of 9
Other common names
common teasel Adam's flannel
barber's brushes carde thistle church brooms clothes brush gypsy's comb hutton weed Indian thistle prickly back shepherd's rod shepherd's staff Venus' basin Venus' bath Venus' cup water thistle wild teasel wood broom
Dipsacus fullonum subsp. fullonum Dipsacus sylvestris
Dipsacus are erect biennials or perennials with simple or pinnate leaves and crowded heads of numerous small flowers in dense terminal capitula, the calyx teeth bristly
D. fullonum is a biennial, to 3m, erect with side branches. Foliage is bright green, prickly on lower mid-ribs, the stem leaves joined at the base to cup the stem. Flowerheads, to 6cm long, are stiffly bristly from the projecting calyx spines. The flowers are tiny and blue, appearing in a band round the flowerhead over an extended flowering time. Plant remains intact throughout winter, and seedheads attract goldfinches
Europe, N Africa, SW 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 West-facing or East-facing
MoistureMoist but well-drained, Well-drained, Poorly-drained
SoilSand, Clay, Chalk, Loam
pHAcid, Alkaline, Neutral
Time to ultimate height
Grow in any moderately fertile soil, including heavy clay, in sun or partial shade. The flowerheads can be harvested for air-drying from mid to late summer, or left for birds over winter
Propagate by seed in situ in autumn or spring
Suggested planting locations and garden types
Banks and Slopes Flower borders and beds Low Maintenance Cut Flowers
Architectural Cottage & Informal Garden Wildlife Gardens
Pruning No pruning necessary
Pests Prone to 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.