Cobaea pringlei

RHS Plant Profile

Pringle's cup-and-saucer vine

Climber Wall Shrub Annual Biennial

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A species of vigorous perennial climber, usually grown as an annual, with pinnate green leaves and fragrant, funnel-shaped white flowers which appear in September

Position

Full sun

Soil Types

Loam, Sand

Max Height

4-8 metres

Max Spread

0.5-1 metres

Size

Time to Maturity: 1–2 years
Max Spread: 0.5-1 metres
Max Height: 4-8 metres

Growing Conditions

Loam Sand

Moisture: Moist but well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun

Aspect: 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): H3

Colour & Scent

Fragrance Flower

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Polemoniaceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Climbing
Genus: Cobaea can be woody or herbaceous climbers with pinnate leaves bearing a branched tendrils, and large, solitary, bell-shaped flowers in the upper leaf axils
Name Status: Correct
Plant Range: Mexico

How to Grow

Cultivation

Needs a sheltered, sunny wall or trellis and moist but well-drained soil for the best flowers

Propagation

Propagate by seed sown at 18°C in spring plant out when the danger of frosts has passed

Suggested planting locations and garden types

Cottage and informal garden
Climber and wall shrubs
Wall side borders

Pruning

Pruning group 11 after flowering

Pests

Generally pest-free

Diseases

Generally disease-free