Tolpis barbata

RHS Plant Profile

bearded crepis

Other common names

bearded crepis, devil's bit, purple-eyed succory-hawkweed, yellow hawkweed

Synonyms

Crepis barbata

Annual Biennial

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A hardy annual to around 50cm in height, with lance-shaped, toothed green foliage. Pale lemon yellow daisy-like flowers with serrated petal edges, darker yellow towards the centres and with a maroon-red eye, appear from late May through to July

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 1–2 years
Max Spread: 0.1-0.5 metres
Max Height: 0.1-0.5 metres

Growing Conditions

Chalk Clay Loam Sand

Moisture: Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun Partial shade

Aspect: East–facing or South–facing or West–facing
Exposure: Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

H1A: under glass all year (>15C)
H1B: can be grown outside in the summer (10 - 15)
H1C: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20): H4

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Asteraceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Tufted
Genus
Name Status: Correct

How to Grow

Cultivation

Grow in well-drained sandy to gritty soil in full sun to part shade

Propagation

Propagate by seed sown directly outside in spring in sandy or gritty soil in full sun to part shade, or under glass in the autumn. Will self-seed profusely so may have the potential to become a nuisance if not managed well, but seedlings are easy to remove where they are not wanted

Suggested planting locations and garden types

City and courtyard gardens
Cottage and informal garden
Gravel garden
Rock garden
Bedding
Cut flowers
Flower borders and beds

Pruning

No pruning required. deadhead regularly to prolong flowering period

Pests

May be susceptible to slugs and snails, aphids and mealybugs

Diseases

May be susceptible to Powdery mildews