Cathcartia chelidoniifolia

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Synonyms

Meconopsis chelidoniifolia

Herbaceous Perennial
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A deciduous perennial bearing nodding, primrose-yellow, poppy-like flowers of 2-3cm (1-1.5in) in mid-to late summer. Slender, branched stems scramble upwards to a height of 1m (3ft) and have lobed, softly hairy, pale green leaves.

Position

Partial shade

Soil Types

Loam, Sand, Clay

Max Height

0.5-1 metres

Max Spread

0.5-1 metres

Size

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

Growing Conditions

Loam Sand Clay
Moisture
Moist but well–drained
pH
Acid or Neutral

Position

Partial shade
Aspect
East–facing or North–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)
H5

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Papaveraceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Clump forming, Climbing
Genus
Name Status
Correct
Plant Range
SW China

How to Grow

Cultivation

Grow in light or dappled shade on fertile, neutral to slightly acidic soils that retain mosture in summer. Prefers a sheltered position, protected from cold drying winds.

Propagation

Propagate in spring by seed sown thinly on to the surface of peat-free seed compost and keep moist. Light is required for germination. Alternatively, propagate by offset buds that form in the upper leaf joints, as they appear. See Propagate from cuttings (climbers)

Suggested planting locations and garden types

  • Cottage and informal garden
  • City and courtyard gardens
  • Flower borders and beds
  • Wall side borders

Pruning

No pruning required. Removed withered stems in autumn/winter

Pests

May be susceptible to slugs and snails

Diseases

May be susceptible to downy mildews