Euphrasia frigida

RHS Plant Profile
polar eyebright

A low-growing, hemi-parasitic annual that typically grows between 3 and 15 cm. It has bent-at-the-base stems with heart-shaped leaves and produces tiny white flowers with violet veins, measuring 5 to 7 mm in length, from July to August

Position

Full sun

Soil Types

Chalk, Loam, Sand

Size

Time to Maturity
1 year

Growing Conditions

Chalk Loam Sand
Moisture
Moist but well–drained or Well–drained
pH
Alkaline or Neutral

Position

Full sun
Aspect
South–facing or West–facing
Exposure
Exposed or Sheltered
Hardiness
H5

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Orobanchaceae
Native to GB/Ireland
Yes
Foliage
Deciduous
Habit
Bushy
Genus
Name Status
Correct
Plant Range
Subarctic

How to Grow

Cultivation

Flourishes in sunny coastal areas, resilient against wind and salt spray, with the right host plants like grasses or legumes, it can establish well. See Creating wildflower meadows for further advice

Propagation

Propagation by seed sown in situ in late summer or autumn, allowing them to establish connections with suitable host plants.

Suggested planting locations and garden types

  • Coastal
  • Rock garden
  • Wildflower meadow
  • Wildlife gardens

Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free