Pinguicula 'Weser'

RHS Plant Profile
butterwort 'Weser'

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Herbaceous Perennial

An insectivorous tropical perennial producing rosettes of sticky, pale green leaves, which can be flushed with pink when grown in strong light. In summer, small pink flowers are produced on slender, upright stems

Position

Full sun, Partial shade

Soil Types

Loam, Sand

Max Height

Up to 10 cm

Max Spread

0-0.1 metre

Size

Time to Maturity
2–5 years
Max Spread
0-0.1 metre
Max Height
Up to 10 cm

Growing Conditions

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

Position

Full sun Partial shade
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)
H1C

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Lentibulariaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Clump forming
Genus
Pinguicula are a genus of around 80 species of, mainly perennial, flowering carnivorous plants with sticky leaves which attract and digest insects. Leaves are succulent-like and flowers mainly blue, violet or white
Name Status
Accepted

How to Grow

Cultivation

Grow in a light, open potting mix, in bright, filtered light and sit in a shallow saucer of rainwater during the growing season. Plants will turn dormant over winter, during this period water sparingly but do not allow to dry out, and keep above 5°C (41°F). See carnivorous plant cultivation for more detailed advice

Propagation

Propagate by seed, surface sown on damp sphagnum moss at 13-18°C (55-64°F) as soon as ripe. Propagate by division, removing offsets in late winter

Suggested planting locations and garden types

  • Houseplants
  • Conservatory and greenhouse

Pruning

No pruning required

Pests

May be susceptible to slugs and snails

Diseases

Generally disease-free