Anagallis tenella

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bog pimpernel

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Other common names

gwlyddyn mair y gors

Herbaceous Perennial
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Mat-forming perennial about 10cm tall, with small, elliptic to rounded bright green leaves, and upward-facing, slightly fragrant deep pink flowers 10mm across in late spring and early summer

Position

Full sun

Soil Types

Chalk, Loam, Sand, Clay

Max Height

Up to 10 cm

Max Spread

0.1-0.5 metres

Size

Time to Maturity
1–2 years
Max Spread
0.1-0.5 metres
Max Height
Up to 10 cm

Growing Conditions

Chalk Loam Sand Clay
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)
H4

Colour & Scent

Fragrance Flower
Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Primulaceae
Native to GB/Ireland
Yes
Foliage
Evergreen
Habit
Matforming
Genus
Anagallis can be annuals or evergreen perennials of creeping habit, with small leaves and solitary, 5-petalled, saucer-shaped flowers
Name Status
Correct

How to Grow

Cultivation

Under glass grow in gritty, peat-free, loam-based potting compost (John Innes No.1) in full light; outdoors grow in moderately fertile, moist but well-drained soil in full sun and overwinter young plants in a cool greenhouse - plant out after the risk of frost has passed

Propagation

Propagate by softwood tip cuttings in spring or early summer; may be short-lived so propagate regularly

Suggested planting locations and garden types

  • Cottage and informal garden
  • Hanging Basket
  • Patio and container plants
  • Conservatory and greenhouse
  • Flower borders and beds
  • Ground cover

Pruning

Cut back after flowering

Pests

May be susceptible to aphids

Diseases

Generally disease-free