Sinacalia tangutica

RHS Plant Profile

Chinese ragwort

Synonyms

Senecio tanguticus
Ligularia tangutica

Herbaceous Perennial Bogs

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A spreading, deciduous perennial up to 1.5m tall and 2m wide forming clumps of erect, dark stems bearing deeply divided leaves and, from late summer into autumn, pyramidal spikes of bright yellow flowers followed by fluffy, light brown seedheads

Position

Full sun, Partial shade

Soil Types

Loam, Clay

Max Height

1-1.5 metres

Max Spread

1.5-2.5 metres

Size

Time to Maturity: 2–5 years
Max Spread: 1.5-2.5 metres
Max Height: 1-1.5 metres

Growing Conditions

Loam Clay

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

Position

Full sun Partial shade

Aspect: South–facing or West–facing
Exposure: Exposed or 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): H5

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Asteraceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Clump forming
Genus
Name Status: Correct
Plant Range: China

How to Grow

Cultivation

Grow in deep, fertile, reliably moist soil ideally in full sun with some shade at mid-day

Propagation

Propagate by division or by seed

Suggested planting locations and garden types

Cottage and informal garden
Flower borders and beds
Cut flowers

Pruning

Cut back after flowering or leave seed heads for winter interest and cut back in early spring

Pests

May be susceptible to slugs and snails

Diseases

Generally disease-free